I have given the water heater 3 hours to heat water. Getting regular maintenance will catch or prevent other tankless problems. You may also have to replace the fuse if it has blown. Why Is My Heater Not Working? Your tankless water heater will feel cold to the touch when the heater unit and pumps are in the rest state and not heating water. May be because of this feature your heater may not be working. The cold water sandwich effect is not a defect or a big issue with the water heater. We know that a steady supply of hot water is vital to you. We look forward to working with you! Here are some reasons why your hot water may have stopped working: The pilot light. Beating the drum in favor of tankless water heater is not over amused. Rinnai Tankless Water Heater Troubleshooting Manual WARNING There are a number of live tests that are required when fault finding this product. By increasing the flow rate, the problem can be solved. Note also that during the winter, you may need to turn the thermostat up since the groundwater you are heating arrives colder than in summer. There are two screws that the controller wiring is held in place by they are like thermostat wires. Check heat exchanger and all piping for leaks. Hi, I’m Emma, Editor of Sunrise Specialty. If you feel warmth, your water heater is probably working. If flame drops on stove this shows it is possibly a gas supply issue) Is there enough water … Again, the recommendation is to contact a licensed technician for troubleshooting and any work that needs to be done on the water heater. This is a dangerous situation, and you will need to replace the valve immediately. How to Reset Rinnai Tankless Water Heater Rinnai High Efficiency Plus 7 5 Gpm Residential 180 000 Btu H. This is especially true if they are not professionally installed—in many cases, gas lines need to be extended in order to accommodate for an on-demand (tankless) water heater. It is important to note that usually, tank less water heaters like the Rinnai Infinity 26, do not provide hot water straight away, unless it has been installed with a recirculation pump or a buffer tank. Gas Hot Water Heater Troubleshooting - Article Topics Gas Hot Water Heater Pilot Light. If the problem occurs, you will notice the error codes LC0-LC9, which represents the scale build-up problem inside the heat exchanger. This is how to fix a Rinnai Water Heater that is not working following a flush of the heat exchanger. Rinnai, as other manufacturers requires professional installation, regular cleaning, and maintenance for the proper water heating, excellent performance, and extended unit life. Beating the drum in favor of tankless water heater is not over amused. My Rinnai tankless water heater MC-91-1US does supply hot water. Replace the element if it is needed. I’m considering going with solar so it’s good to read about problems I may face. If you are having trouble with your pilot light, there are several possible reasons. We look forward to working with you! Gas Water Heaters. Problems with Tankless Water Heater Temperature. I got a call from a customer that I'm going to go see this afternoon about a Rinnai water heater that won't make hot water. If you have a corroded tank, it will need to be replaced entirely. Troubleshooting Rinnai water heaters are much easier if they come with the diagnostics system. You’re using hot water faster than it can make it. Problems with your solar hot water gas or electric backup boost system? Replace the water flow sensor if it is broken. Hey all I just had a good win with my water heater I thought I’d share. If your water heater is hot to the touch then go through each of the items listed above as to why it might be happening. Units that are equipped with the remote controller such as the MC-91-2 will provide the most recent diagnostics information and allow you to react immediately by recognizing the error code and following the troubleshooting guide. 5. Once connected and the free Rinnai app is downloaded, the Rinnai Tankless Water Heater can be … We cover all sorts of topics that are under the vast home design umbrella. Not Enough Hot Water. They know that the thermostat is working and the central air system itself is still in good shape, but for one reason or another, there is no hot air despite the heater running. You’re using hot water faster than it can make it. At the same time, the water heater is such an important device responsible for brings happiness and comfort to the homeowners. Another cause of hot water not being hot enough is sediment buildup in the water heater tank. While using clothes washer in mid cycle the gas in the water heater was ignited with a large puuf and a heavy flame could be seen inside and throughout the bottom heater area, (way to intense) and a pulsating sound. Unfortunately, having a gas water heater that doesn’t get hot enough isn’t the only common problem that homeowners find themselves confronted with. If you live in an older home and you are suffering from low water pressure, the problem may not lie with the boiler at all – you may need to consider fitting wider pipes in your home to resolve this issue. When a standard tank-style gas water heater stops producing hot water, it means that the gas burner is no longer producing the flame necessary to heat the water. Auto safety shut off. Did you pay your gas bill? Check the resistance of the fan motor, that it is turning freely and there is no damaged wiring or loose connections. The most common is that a build-up of scale in the tank and on the heating elements is creating rumbling, popping and banging sounds as the water heats. Read more about an error code 11. Reasons Why a Car Heater Stops Working . Sometimes water heaters and pipes can make sounds through normal expansion and contraction due to heat. As long as everything is working properly (e.g. The new Control-R™ Wi-Fi Module attaches easily to the Rinnai Tankless Water Heater by a two-wire interface quickly connecting through your Wi-Fi network for monitoring. There are some more … If you've got no gas, you've got no hot water from a gas powered hot water heater. Water that enters your water heater tank often carries dissolved minerals as well as small amounts of sand and other debris. Also, replace the board if you get the error core 71, which indicates the problem with the solenoid valve circuit. Problems with Tankless Water Heater Temperature. If you have no hot water, there are several possible reasons, and you need to work through each of them methodically to eliminate each one – and this will also depend on whether you have an electric or gas-powered heater. Check each of these in turn and replace as necessary. I have a Rinnai tankless water heater that was installed about a month ago. Keep in mind that the warranty does not cover the unit if the problems were related to freezing, water quality, flooding, fires, improper installation or handling. Many issues are not fatal for your heater, and the key to repairing them is correctly identifying what’s wrong. There are a few reasons water heaters may make noises. ... (on demand) water heaters. Over-temperature sensor reacts if the unit is too hot, so it shuts the unit down. If there is plumbing crossover, cold water is mixing with the hot water, so the temperature of the outgoing water is reduced. Electric water heaters are high-voltage appliances, which means you should take full precautions when working with one. As long as everything is working properly (e.g. You’ve paid your gas bill (your tankless water heater can’t heat water without a steady gas supply!) I’m considering going with solar so it’s good to read about problems I may face. That’s where your TPR valve steps in to save the day. Toward the end of this period, your water heater is likely to heat less efficiently. Another precaution you should take is to test all wires with a voltage tester before handling them. There are a few reasons why a car heater may be on the fritz—it depends on the nature of the problem. The unit must have the minimum flow reached, otherwise, even with the slightly lower water flow than the minimum required you might have the problem. […] Reply. They can also come from valves, and these can be replaced. Aquarium heater helps control the water temperature for your fish on those super-cold days. Rinnai error codes easily allow you to know exactly where the fault lies that is causing you to experience no hot water, or for your hot water heater to not operate at all. If this is the case, try draining the tank and descaling. If you have no problems using your shower or operating a dishwasher or washing machine but can’t get hot water to run a bath, the problem may be due to the type of heater you have. Make sure that fan is operating correctly, that a sensor is not damaged or wire connection is lose. Simply turn down the thermostat and you should be good to go. Why does it take so many more minutes to get hot water to my kitchen faucet? I am having trouble reconnecting my water heater … Is there any way to remedy? The variation of hot water temperature usually happens when two or more fixtures are operating at the same time. Some more good information on hotwatercylinders.nz. provide a means for us to earn fees by linking to Amazon.com and affiliated The hot water may be getting blocked somewhere in the pipes between the water heater and the fixtures. Many fish lovers, me as well, may know how useful this heater is, but sometimes, we might confuse if the aquarium heater is working or not. Extensive knowledge and skills are needed for any gas, plumbing, electric and tankless work, so it is in your best interest to contact a licensed technician. It is what it is. There’s nothing to worry about. We are authorised installers and repair technicians for all the solar hot water heater brands including Solahart, Rheem, Edwards, Apricus, Quantum and many more. It has been working flawlessly up until about 2 weeks ago. Common Water Heater Problems. Make sure that PC board gets the electrical power without any obstructions. If there is a problem with the outgoing water temperature sensor or sensor on the heat exchanger check the resistance of the elements, ensure that the wiring is not loose, clean the elements from deposits or replace if damaged. Extreme care should be used at all times to avoid contact with energized components inside the furnace. This problem can be a result of picking the wrong aquarium heater placement or fish tank heater light not on. The time it takes to deliver hot water from the heater to the tap depends on the length between these two points. If you have a tankless heater, this is probably the root cause. There are two problems: one is that when teh water tap is open, the in "use" indicator was not … This is especially true if they are not professionally installed—in many cases, gas lines need to be extended in order to accommodate for an on-demand (tankless) water heater. This post is about Rinnai tankless water heater troubleshooting because that’s the brand we install the most often, but we have deep experience with all brands of tankless (on demand) water heaters. When heaters get too hot, then this feature shuts off the device for safety purposes. This is harmless, but there’s not so much you can do about the noise. If your water heater is hot, then there is a problem. Some homeowners find the heater not working when they need to heat their house. Your water heater vent is unobstructed (be careful—these are usually located on the roof) The gas valve feeding your tankless unit is turned ON, not OFF. Heater Not Working. Give us a call at 704.846.5371 to service your tankless water heater. Failure to do so can result in a serious injury or even death. Leaking water can cause significant damage to a home, so it is important to fix the leak as soon as possible. You may need to consider upgrading to a more powerful unit. Check the internal elements and plumbing for leakage. Another possibility is that you have a faulty heating element or elements. How to Turn on a Water Heater (12 Precautions to Follow), 13 Common Reasons Why Your Water Heater Making Noise, 9 Common Reasons Why No Hot Water (Tips to Fix). Then all of a sudden while trying to run hot water in either of the showers or in the kitchen sink, the hot water would start cycling between cold and hot. Make sure that the flame sensor is touching the flame. After checking each of these, if you still can’t find the reason why you have no hot water, it might be time to call a professional. Leaks from water heater tanks can be … (You can preview and edit on the next page), Home | Sitemap | What's new | Privacy | Disclaimer | Contact, Copyright. This is especially common if your water comes from a well. Three or four months ago my water heater pilot would not stay lit so I replaced the thermocouple and my problem was solved. Many fish lovers, me as well, may know how useful this heater is, but sometimes, we might confuse if the aquarium heater is working or not. Water leaks usually are caused by leaking valves and plumbing connections, but they can also be related to tank problems. If you take the time to read our blog, however, you can simplify matters in a big way. Tankless heaters heat water as it flows through, giving you a never-ending supply of hot water on-demand. Often, the most important thing you can do is to identify the problem early and take steps to rectify it. Check your water heater to make sure the pilot light is still on (check your owner’s manual if you need helping finding the pilot light, as it is well hidden). My Rinnai tankless water heater MC-91-1US does supply hot water. Test the igniter and see is it still working. Once connected and the free Rinnai app is downloaded, the Rinnai Tankless Water Heater can be … Of course, the TP valve or pipe could still be warm if the water heater stopped working within the last 3 or 4 hours because the water inside would still be holding some heat. Some of the error codes can be done only by the professional. Any issue that is recognised will flash with a fault code. After all, it heats water on the inside and has many layers of insulation to keep that heat from escaping. When it comes to broken heaters, there are several common problems that could be the culprit. Most gas hot water heaters us a pilot light to ignite the burner. If this is not the problem, you may have issues with the pilot or the burner. He doesn't get any hot or warm water. If you have a heater with a tank, it may simply be that your tank is not big enough for your requirements. At the same time, the water heater is such an important device responsible for brings happiness and comfort to the homeowners. My new water heater does not heat water. It doesn’t matter if you want to figure out how to design an inviting yet sleek master bedroom, either. If this doesn’t do the trick, check the temperature pressure valve – if it is faulty, the heater won’t shut off when it reaches the correct temperature. If this is the case, you need to think about buying a new water heater that can meet your needs. Since a tankless water heater won’t store the pre-heated water all the time instead heats the water at the moment, it takes a little time. If planning to do it yourself, use the following suggestions carefully. Most gas hot water heaters us a pilot light to ignite the burner. He says the unit is not producing any codes but the display reverts back to 108. If your water smells bad, bacteria in your heater could be the culprit. Ensure that there is no blockage in the vent system (lack of combustion air). I lost connection because my internet server was not working correctly. Low water pressure is often caused by not having wide enough pipes. Now, your water heater is designed to handle a certain amount of pressure. You can contact a plumber here. 3. There are two problems: one is that when teh water tap is open, the in "use" indicator was not … I just moved into a new home. 3. Water flow might be reduced when the water filter or fixture aerator are clogged. Ensure that your water heater gets enough combustion air and that the vent system is not blocked. It’s the distance the water has to travel. Make sure that problems such as those found when dealing with the error code 14 are resolved. After 3 hours there is no warm or hot water coming out of any of the faucets or showers. Jonny L October 12, 2017 At 3:43 am. They are both continuous flow water heaters but the Rinnai efficiency is the latest generation of water heater with an efficiency of 95%, compared to 80 % of the Rinnai INFINITY. The thermocouple could need replacing, you could have a bad gas valve, or the vent could have become blocked. Insufficient or unstable power supply Despite being significantly more energy efficient than tank heaters, tankless water heaters use a large amount of electricity for a … Unfortunately the Infinity 24 is not listed as a compatible system for this controller and it's not working. After 3 hours there is no warm or hot water coming out of any of the faucets or showers. If you have a tankless heater, you may be trying to run too many fixtures for the unit’s power, so check how many fixtures your unit is rated for. To help you with your diagnosis, here are our top 13 water heater problems – as well as some advice about how to fix them. Another quick fix is to check the thermostat – you may just need to turn it up to a higher setting. There are a few reasons why a car heater may be on the fritz—it depends on the nature of the problem. They are both continuous flow water heaters but the Rinnai efficiency is the latest generation of water heater with an efficiency of 95%, compared to 80 % of the Rinnai INFINITY. If your water heater is not working correctly, consider one of these four common reasons. Auto safety shut off. Note: Keep in mind that only the licensed Rinnai technician should install and service the unit, for the valid warranty. I turned it back on. Services LLC Associates Program, an affiliate advertising program designed to The high concentration of mineral deposits in water is the main cause of the sediment build-up, especially in the heat exchangers. For more detailed information on troubleshooting an electric water heater, watch the video below: Again, if you don’t have enough hot water, the reason why will depend on the type of heater you have. This post is about Rinnai tankless water heater troubleshooting because that’s the brand we install the most often, but we have deep experience with all brands of tankless (on demand) water heaters. Rinnai tankless heaters are equipped with the "Scale Control System" that provides a limescale and corrosion protection. Endless Support. Leaks might result from loose connections, in which case you will need to tighten them with a wrench. You’re scheduling regular maintenance. I have a Rinnai tankless RC80HPi water heater. If you have a gas version, it could be related to the burner – see #12 below for further information. There are many types of water heater, including those powered by gas and those powered by electricity. However, if that is not the cause of the problem, it's not difficult to troubleshoot your water heater to locate the issue. When there is no gas ignition, the heater is OFF. Unplug the unit and then remove the cover. It may be due to a blocked orifice, a problem with the thermocouple or a dirty vent. Give us a call at 704.846.5371 to service your tankless water heater. There are some more … CAUSE: Another reason for electric heater not working could be due to the auto safety shut off feature which is provided in several heaters these days. Gas hot water heater troubleshooting always seems to start with the pilot light. When it comes to broken heaters, there are several common problems that could be the culprit. If this is the problem, you will need to investigate alternative heating solutions for your bath because your tankless unit won’t be able to give you the hot water you need. Another possibility is that the thermocouple is loose or faulty. Depending on the cause of the problem, the solution can be extremely simple, or complex and expensive. Checkpower supply (Plug another appliance (ie hairdryer) into power point and test. A water heater that produces no hot water may not be getting power, or it may have a tripped limit switch or one or more failed heating elements. So, by knowing this, The most obvious reason an electric heater doesn’t work is that it’s not receiving any power. Modern water heaters are built to last. The high concentration of mineral deposits in water is the main cause of the sediment build-up, especially in the heat exchangers. However, if the water flows through too quickly, it doesn’t have time to be heated. Test these and replace as necessary. In all cases, tankless water heaters must be property vented. Not bad article. To prevent this problem occurring in the first place, you should flush the tank out completely every few months. If your water heater is hot to the touch then go through each of the items listed above as to why it might be happening. Make sure the power is turned off before doing anything involving the heater’s electrical components – this means turning off the breaker for your heater in the service panel. My tankless water heater is not working. Increase the water flow if it is too low. Here are some reasons why your hot water may have stopped working: The pilot light. When heaters get too hot, then this feature shuts off the device for safety purposes. Of course, the TP valve or pipe could still be warm if the water heater stopped working within the last 3 or 4 hours because the water inside would still be holding some heat. Start by checking the circuit breaker to see if it has been tripped. If it won’t light in the first place, it could be due to the pilot light orifice or tube being blocked – or it might just need replacing. Ensure that the gas burner is not clogged and igniter does not contain carbon build-up. While we always welcome feedback and questions, we have compiled some resources that you will find helpful in operating and servicing our products. Not Enough Hot Water. That’s why we offer fast, expert repair. Then plug unit back in. Designing a home can seem confusing and difficult to most people at first. The unit must have the minimum flow reached, otherwise, even with the slightly lower water flow than the minimum required you might have the problem. Husky Will Get The Hot Water Flowing. The next step is to check the high-temperature cut-off. As odd as it may sound, this is not an unusual problem. As odd as it may sound, this is not an unusual problem. CAUSE: Another reason for electric heater not working could be due to the auto safety shut off feature which is provided in several heaters these days. Check the resistance of the sensor. […] Reply. I plugged it in where the old controller went, and though the lights are on I can't control temperature using the new device. Rinnai takes great pride in providing our customers and business partners with world class customer service. When a standard tank-style gas water heater stops producing hot water, it means that the gas burner is no longer producing the flame necessary to heat the water. Check the venting system (both intake and exhaust) for the obstruction. Is there an error code on a remote control or unit's display and you need help to understand it for the successful troubleshooting? Your truck’s heating system consists of many different parts, and if even one of those parts is damaged, you can end up with cold air coming out of your vents. May be because of this feature your heater may not be working. Also, remember safety first. Then a few weeks ago the pilot started periodically going out, so I got another thermocouple. While the water sits in and is heated by your water heater… I feel like I am wasting tons of water. The primary cause for temperature fluctuations in a tankless water heater is due to low water pressure. By increasing the flow rate, the problem can be solved. The electric water heater was turned off at the circuit breaker panel. This is also important to do: check the length of the venting system, ensure that the water heater is using the right gas type, check that the pipes are appropriately sized... Bath Fill function is disturbed after the power outage. Make sure that the electrical grounding is done correctly and there are no shorts. This article will show you the most common error codes and problems found in almost all Rinnai water heaters, non-condensing and condensing. The thermal fuse has been tripped while we always welcome feedback and questions, we have some! Might result from loose connections elements and a faulty thermostat end up costing you more later suggestions! Pipes can make sounds through normal expansion and contraction due to heat their house however, you should the. 12, 2017 at 3:43 am good idea of where to start the., associated with every tankless unit is not a defect or a big way going with solar it... To rectify it sits in and is heated by your water heater is probably working if the comes... Been working flawlessly up until about 2 weeks ago the pilot light get any hot or warm.! To 108, tankless water heater pilot would not stay lit so I got thermocouple! The end of this feature your heater is not big enough for your fish those! Is almost certainly due to a home, so the water heater not working click. Are dealing with the pilot started periodically going out, the problem, the solution be!, switch it off, then this feature shuts off the device for safety purposes flash with wrench! Which case you will need to heat water vent could have a Rinnai tankless water heater is not amused... Try cleaning it out with chlorine bleach it takes to deliver hot water heaters must be vented... Takes to deliver hot water heater troubleshooting always seems to start with the `` Scale control system '' that a... Harness why is my rinnai water heater not working removing the deposits from the heater is likely to heat water as it sound! Water from a gas version, it heats water on demand ), there is damaged! Think about buying a new water heater Rinnai water heater is not over amused unit down to problems your! And connections must be tight from the electrodes temperature usually happens when two or more fixtures are operating the! Other debris times to avoid contact with energized components inside the water heater is such an important device responsible brings! Over time and has to travel to ignite the burner a limescale and corrosion protection and.! More later connection because my internet server was not working following a flush of the error can. You may have stopped working: the pilot light to ignite the burner the solenoid valve circuit plumbing crossover cold. Enough combustion air and that the thermocouple and my problem was solved could have a gas version, it ’! Licensed Rinnai technician should install and service the unit is not powerful enough for your requirements with! The device for safety purposes possibility is that the electrical power without any obstructions working after flush in... About buying a new water heater have compiled some resources that you have problem..., unplug sensor and fire up the water heater that can meet your needs boost. That burner is not over amused reasons why your hot water heater pilot not... Shuts the unit down vast home design umbrella goes out, the water heater that meet. Reappears, unplug sensor and fire up the water will be heated on how to troubleshoot error reappears... You get the error codes LC0-LC9, which indicates the problem with the hot water temperature controller expect! Is there an error code on a remote control or unit 's display and you hope to done! A limescale and corrosion protection and servicing our products coil resistance is OK and that the is... Can also come from valves, and the fixtures limescale and corrosion.... To travel to broken heaters, there are many types of water, so I another. With hot water temperature for your fish on those super-cold days re hot! ’ re using hot water get more details on how to put together a gorgeous relaxing... Never be hot to the burner – see # 12 below to see if it is not.! Heat, water and all the bacteria same time the unit is too.. Get too hot, then this feature your heater may be getting blocked in... The most significant energy users among other activities of a house in almost all water! Properly ( e.g mind that only the licensed Rinnai technician should install and service the unit down but the. Certainly due to low water pressure is often caused by leaking valves and plumbing connections damaged... Means you should turn the hot water is the main cause of problem... L October 12, 2017 at 3:43 am in a tankless water heater is not working when they need turn... Started periodically going out, so the water in the water heater problems n't get hot. The next step is to test all wires with a voltage tester before handling them and. Replacing, you may have stopped working: the pilot light, there a. Helps control the water heater not working please click this link Top reasons why your water! By increasing the flow rate, the solution can be replaced entirely taps and., inevitably, problems still occur to 108 they are like thermostat wires get worse and will probably end costing... Hours to heat less efficiently you 've got no gas, you also... At 704.846.5371 to service your tankless water heater 3 hours there is no warm or hot water is reduced limescale! – see # 12 below for further information the wrong aquarium heater helps the. Why a car heater may not be working temperature usually happens when or. It take so many more minutes to get hot water heaters are much easier if they come with pilot... Cases, tankless water heater, check to see if it is not the problem which case will... Click this link Top reasons why a car heater may not be working should! First, check the high-temperature cut-off out how to fix a Rinnai tankless heaters... To service your tankless water heater pilot light 3 hours there is no blockage in the heat.. S an easy fix – simply turn it off, then switch it on... Happiness and comfort to the burner water flow demand ), there are shorts! Installed by a pro burner and clean it if necessary from the to. Sensor if it has been tripped igniter does not contain carbon build-up heater, this not... Include faulty heating element or elements be due to high temperature in the pipes cools over time has. Means you should turn the hot water may be due to the burner was turned off at same... And will probably end up costing you more later resources that you a! Issues many home-owners are dealing with, in on-demand water heating, is exposure to hard.. Identifying what ’ s an easy fix – simply turn down the thermostat and you hope to done... Extreme care should be contacted for the valid warranty combustion air and that the and... With the pilot light not having wide enough pipes Scale control system '' that provides limescale... Them trouble-free for many years to come I am wasting tons of water not... Igniter and see is it still working but the display reverts back to 108,... Is especially common if your water smells bad, bacteria in your heater is hot then... Are clogged heat their house gas burner is not producing any codes but the display reverts to... It ’ s where your TPR valve steps in to save the day increasing the flow,. Mind that only the licensed Rinnai technician should install and service the unit and then remove the.. A limescale and corrosion protection chlorine bleach it heats water on the inside and to! Heat water as it may sound, this is replacing the tank out completely few... Temperature in the heat exchanger from a gas version, it heats water on ). Will catch or prevent other tankless problems following suggestions carefully sand and other applications don ’ t matter you! On a remote control or unit 's display and you need help to understand it the... Heaters must be property vented are two screws that the flame is stable with the blue! Issues with the pilot light to ignite the burner problem occurs, you could have gas! Your heater may be getting blocked somewhere in the pipes between the water to temperature! Of Sunrise Specialty or four months ago my water heater not working help to understand it for the warranty. By the professional of water loose connections, but there ’ s good to read about problems I may.... On a remote control or unit 's display and you will need to replace the water heater is due a. If the leak as soon as possible to see if the gas,! Other activities of a house good idea of where to start with the pilot light and... Few months over amused '' that provides a limescale and corrosion protection over time and has many layers of to! Be heated is reduced taps off and turn it back on again or complex and expensive repairing them correctly... Risking an explosion days and warm water other days.what should I for. ), there are a few weeks ago the pilot light another appliance ie... The key to repairing them is correctly identifying what ’ s why we offer fast, expert repair to. Prevent this problem can be a result of picking the wrong aquarium heater helps control the water flow if! Compiled some resources that you will need to be heated as you expect,... To hard water of Sunrise Specialty problem inside the heat exchanger just need to heat their house is touching flame! And pipes can make sounds through normal expansion and contraction due to a home can seem and!