Tankless Water Heaters also heat water only when needed and for as long as needed, resulting in less wasted energy and no worries about running out of hot water. Mine has worked great all day and for several years. Have had my Rinnai for several yrs now. This will allow the unit to operate for 70 hours after which another LC code will lock the unit from operating. Get It Fast. Since Rinnai water heaters are one of the most advanced tankless water heaters available, we recommend to contact a service technician that’s authorized to work on Rinnai water heaters. no recirculation symbol on panel. Confirm sensor is open to outside air and not covered with insulation. The previous nine error codes are stored in memory. Yes… same issue with RUR199IN. Check for moisture in plastic tubing on internal units and if moisture found, replace gas valve. set 140 degree but still not hot enough? Turn off power to the unit and then turn back on to see if code disappears. How to Fix: Confirm no loose, damaged, or broken connections on wiring harnesses for SV0, SV1, SV2, SV3, and SV4 gas valve solenoids. How to Fix: Confirm dip switches and low/high fire manifold pressures are set correctly and thermocouple milli-volt range is within specs. Rinnai Tankless Gas Water Heaters . To access these codes, hold the ON/OFF button for two seconds and simultaneously press the UP arrow. Control-R module seemed destroyed (green light only, no boot up colors). Help I just installed a v75 NG it works fine on low demand but if I try to take a shower the unit makes a rumbling sound and shuts off and I get the error 12. Navien vs Rinnai Tankless Water Heaters Navien – A Reputable, Reliable Brand. 1.15 $ CAD: … Tankless Water Heaters by Rinnai have a longer lifespan, lasting up to twice as long as a traditional tank. It is -32 C today outside. Save my name, email, and website in this browser for the next time I comment. Outdoor. Top Sellers Most Popular Price Low to High Price High to Low Top Rated Products. Ben did a fantastic job to replace the electric hot water service. Condensing Boilers. How to Fix: Confirm no loose, damaged, or broken connections on the burner thermocouple. Check resistance readings to make sure they're within specs. Check for scale buildup on sensor and clean if needed. 145.30 $ CAD: $ 184.92; Add to cart. How to Fix: Confirm no loose, damaged, or broken connections on the sensor wiring harness. Plus, you never have to worry about running out of hot water with a Rinnai Tankless Water Heater because it keeps heating as long as it is needed. Checkpower supply (Plug another appliance (ie hairdryer) into power point and test. Liquid Propane. Confirm unit's low/high fire pressures properly set. Gas, electric, solar—they do it all! No job is too big or too small for our team of local experts in Adelaide, Melbourne, Geelong, Sydney, Canberra, Perth and Brisbane. Check resistance readings to make sure they're within specs. How to Fix: Check condensate drain line and trap for blockage as well as the tank inside the cabinet. They are equipped with Wi-Fi and remote controls. It did the same thing again today. We had beeping and a Code 10. My rinnai is inside the basement. Check for loose, damaged, or broken connections in the pump wiring harness. How to Fix: Confirm that recommended Rinnai venting materials are used. If error code reappears, unplug sensor and fire up the water heater. If you take off the cover, you should be able to see it. All else seems normal. 68 Results Brand: Rinnai. We’ve had the unit – a Rinnai R75LS – for several years and have had absolutely no issues with it. Hide Unavailable Products. All Rinnai tankless water heaters have common qualities. If windings open, replace motor. Rinnai Tankless Error Code Troubleshooting. IMPORTANT: Leave the area the water heater is installed in until safety personnel have identified the area as safe and all flammable vapors have been eliminated. Download 597 Rinnai Water Heater PDF manuals. Rheem hot water systems have provided Aussies with a reliable source of hot water for over 80 years. This tells the system any error codes which appear happened after repairs were made. Check wiring on SVO-SV4 Is it possible that the memory of faults stored can cause the beeping to repeat if it has not been removed from the unit. Confirm flame rod is touching flame when firing. Check resistance readings to make sure they're within specs. Rinnai CP-30580 TRUSS SCREW. Flow Rate @ 45 F Rise (gallons/min): 7 - 7.5. Even when the water heater is not in use, the control panel continuously retrieves information from various sensors (similar to a car) to see if anything is not normal. Approval is granted within minutes. If code reappears, replace the flammable vapor sensor. The beeping may be initiated by a water heater shutoff feature, a flood prevention device. My wife tells me it has beeped a few times but for whatever reason when she searched the closet for the source of the beeping it would stop before she could find it. Why would it have an error when located in the basement with feed water at 45F? How to Fix: Confirm no loose, damaged, or broken connections on the water flow servo. Like there is no power to it. He successfully unblocked our toilet. Edwards solar hot water is recognised for its award-winning performance, offering roof-mounted and ground systems in a range of colours. Overheating. If error code "05" reappears, bypass valve will need replacing. If you have a Rinnai Tankless Water Heater and your hot water has been cutting off and the unit showing Diagnotic Code 10, this video might help you. At Jim’s Plumbing, we provide a Quality Assurance Guarantee on all workmanship that we complete. This number is called GPM or Gallons Per Minute. Natural Gas. View The Best Product On Amazon. Rinnai takes great pride in providing our customers with world class customer care. Thanks. Check heat exchanger and all piping for leaks. Replace PC board. 63 Results Brand: Rinnai Application Type: Residential Clear All. If flame drops on stove this shows it is possibly a gas supply issue) Is there enough water flowing? If you were not able to find evidence of water pooling, disconnect the sensor and turn on the system, If the system operates without the sensor in place, the sensor will need to be replaced by a Jim’s plumber. How to Fix: Confirm unit has power. Started my water and when I went to get in the water was cold. Cumberland & nearby stores. everything else is normal. Flush the heat exchanger. To me it sounds like a false code. Rinnai RL94i Tankless Water Heater Installation completed today! We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites. Confirm water supply is on and you have at least 30 psi coming in. Leaks may be obvious if the floor is wet near the water heater, but the leak might also be somewhere along the line. Confirm proper installation of rest of vent system (clearance, materials, joints sealed, properly seated sections). Vent Free Convectors . CU199 Tankless Water Heaters. Check for scale build-up on the heat exchanger and flush if necessary. Ideally, you want the pipes leading up to the unit to be insulated. He was professional, efficient and kept me informed throughout the process. Same error (fault code 10) checked venting for obstructions or blockage and found nothing. No beep No code Just off. The water supply to the house is turned off. To temporarily reset the code, press the ON/OFF button 5 times. If you’re saying the same outlet it’s plugged into still works, you likely have blown a fuse(s) within the water heater. Clean flame rod from scale buildup and burners from debris and dirt. Home » Troubleshooting » Rinnai Tankless Error Code Troubleshooting. Hide Unavailable Products . Rinnai CP-30580 TRUSS SCREW. Rinnai Tankless Gas Water Heaters . How to Fix: Use temperature controller to display flow rate (hold UP for 3 seconds and press the ON/OFF button). (CERTIFIED AND TRAINED RINNAI TANKLESS WATER HEATER INSTALLERS) *****FINANCING AVAILABLE ***** If your having slow drains or leaking lines we can handle it! Measure voltage of SV0 and SV1 and confirm they're within specs. Once 100% sure no flammable vapors are present, turn power and gas back on, and open a hot water tap to fire the unit back up. Interest free options available **, Fill out the form below and our friendly staff will call you back within 3 minutes*, Ensure there is no damage to the sensor wiring, Check the electronic board to make sure it is operational, Inspect the heat exchanger, look for leakage, Check the bottom pan for signs of pooling water. Replace burner thermocouple. Tankless Recirculation. How to Fix: Confirm there are no air flow obstructions in vent system or around the unit. Make sure there aren't any obstructions in the venting system. The Rinnai I-Series condensing gas boiler product lineup consists of heat-only and combi models that consistently provide simultaneous delivery of hot water and home heating without interruption. Rinnai tankless water heaters and home heating solutions enhance the way your family lives. Rinnai, Tankless Parts. We operate 24/7, every day of the year and can even be at your door within the hour* when you have a Rinnai error 79. After the power came back on we have not had to push the button that starts the re-circulation pump. Chromagen solar water is a major international player in the latest thermal solar technology, whilst also offering gas hot water and heat pumps. Check inside burner for debris which could be causing a short circuit. Extreme care should be used at all times to avoid contact with energized components inside the furnace. Good customer service. Rheem. Definitely, worth the money. Why store gallons of water in a large tank that could eventually run out? Rinnai tankless water heaters can be fueled by either natural gas or propane. Whether you need a Dux Sunpro service, or you’d like a new Dux Prodigy installation, we service, repair and install all Dux water heaters. Having said that, let’s begin. Contact us today for all your Rinnai error 79 needs. Press the ON/OFF button twice to reset the unit and code. You can replace the fuse yourself but if it goes again, please call a plumber. Compare Wishlist. Shop Savings. Whether you need an endless supply of instant hot water to efficient home heating warmth, Rinnai provides homeowners endless comfort and savings. All current units are also Wi-Fi capable, allowing you to control the settings remotely. 3rd module was able to connect ok, but water heater was still endlessly recirculating until reset with “2 quick off-on cycles.” After a month of messing around with this, all seems fine. Direct Vent Furnaces. That is why we recommend that you contact one of our local plumbers when the issue arises. Extremely cold temperatures are definitely not ideal for tankless water heaters. Here at Jim’s Plumbing, we specialise in Rinnai tankless code 79 fixes. How to Fix: Assuming gas type and pressure are correct and there is no air in the gas line or other problem with the gas supply, confirm that: there are no loose connections at the PC board, power supply or flame rod, gas solenoid valve doesn't have a short circuit, there is no obstruction in the venting system and gases are correctly venting out. What do I do and how can I fix this myself? I have a brand new heater. Rinnai Indoor Tankless Hot Water Heater / RL94IN /Natural Gas9.4 GPM, 9.4 GPM, RL94iN-Natural Gas/ 9.4 GPM Silver max BTU 199 000 max flow 9.4GPM Propane Tankless Water Heater With Valve; Our high-efficiency plus RL models, offer Rinnai’s most advanced technology in non-condensing tankless water heaters. Confirm no loose, damaged, or broken connections at the sensor wiring harness. I installed 199e, has 3/4 gas line. If code reappears, replace the flammable vapor sensor and/or PC board. L : $316.47: RINPCD03EWV: PCD03-EWV PIPE COVER ENCLOSURE V65/V75: $329.50: RINFOT153: Rinnai FOT-153 Type C Vent Kit, 15-3/4 – 23 … Confirm no obstructions in the water flow system as there needs to be enough incoming cold water going through the heat exchanger. How to Fix: Confirm no loose, damaged, or broken connections on the thermistor. H x 1 in. So if it is not an installation problem what are the other 5% of problems it could be? It has error -10F. I haven’t encountered a Rinnai that doesn’t display an error code when beeping. Gas Water Heaters. It started beeping with a 71 code. Rinnai Tankless Gas Water Heaters . anyone else have this problem? All tankless units have a minimum flow rate which must be achieved before the water heater will start heating water. At Jim’s Plumbing, we are experts in all things Rinnai error code 79 issues. TANKLESS WATER HEATERS. Replace PC board. Once 100% sure no flammable vapors are present, turn power and gas back on, and open a hot water tap to fire the unit back up. Best Solar Water Heater Systems On The Market, Best Immersion (Bucket) Water Heater For 2021, Best Water Heater Earthquake Straps For 2021, How To Wire A Hot Water Heater: An Ultimate guide, Noritz Tankless Error Code Troubleshooting, Navien Tankless Error Codes Troubleshooting, Rheem Tankless Error Code Troubleshooting. Delivering hot water to Australians for over 100 years with their extensive range of gas, electric and solar Bosch hot water units. Residential. Learn the proper way to flush and maintain a Rinnai Tankless Water Heater. Sort by: Top Sellers. Select Rinnai tankless water heaters can provide faster hot water by recirculating the water through your plumbing systems, so hot water is always available whenever you need it. Natural Gas. It is almost 40 below and the code 11 is beeping..I tried shutting off and start up but nothing..my house is freezing.and there is no emergency plumbers on call in my stupid town!! How to Fix: Confirm 4" B-Vent venting materials were properly installed. Liquid Propane. If you find evidence of water pooling, dry off the leak sensor as well as the inside of the cabinet. With a rich heritage in developing reliable hot water, Stiebel hot water offers a variety of units to suit your family’s home. If code reappears, place a service call. BUYER'S GUIDE. If a controller is fitted check that it is on also) Check gas supply (Turn gas stove top on then turn hot water tap on. Between Rheem and Rinnai, one cannot really tell … Low Fuel. Troubleshooting your Rinnai tankless water heater is often a matter of reading the error code the unit provides when a hot water issue comes up and performing basic troubleshooting steps for that error code. I disconnected the vent from the heater and still got the error code which tells me i must be in this other 5% with you….. did you ever fix your issue? Check for loose, broken, or damaged connections from sensor to the PC board. Treat hard water to prevent scale build-up in future. How to Fix: Confirm no loose, damaged, or broken connections on the freeze protection sensor/thermistor. Is there any harm done if I reset the panel with the up down and on/off pressed for reset. To properly maintain and clean your tankless water heater, it’s important to flush those mineral deposits at least once a year. The water come out of the faucets hot immediately. Read Article. Cleaned air filter although it wasn’t dirty. Replace CO sensor and PC board. How to Fix: Confirm no loose, damaged, or broken connections on the PC board. Natural Gas. No matter how big or small the water heating needs of your household may be, Everhot hot water systems can do the job! Demand Duo Hybrid Tankless… You’ll enjoy the endless hot water and energy savings you expect, with the … Indoor. Rheem. Read Article. WATER HEATING What’s so smart about a Smart Cylinder? We won’t be reviewing all of their products, but we’ll use the Navien NPA-240A VS Rinnai RU98i as a reference throughout the article. How to Fix: Confirm 4" B-Vent venting materials were properly installed. How to Fix: Check/test all water heater components for an electrical short. It doesn't happen often but just in case you have trouble with your Rinnai INFINITY gas hot water appliance, here are some handy go-to tips. How to Fix: IMPORTANT: Leave the area the water heater is installed in until safety personnel have identified the area as safe and all flammable vapors have been eliminated. While most tankless models have built-in freeze protection, it’s usually only good for a maximum of -10 to -20 F. At -40, the water leading in to the unit may freeze up (which can also occur in tank models). 12-Step Tankless Water Heater Flushing Procedure Over time, a tankless water heater may accumulate mineral build up which can erode the walls inside your tank's heating chamber. How to Fix: Turn off all the hot water fixtures in the house. How to Reset Rinnai Tankless Water Heater has a variety pictures that connected to find out the most recent pictures of How to Reset Rinnai Tankless Water Heater here, and next you can acquire the pictures through our best how to reset rinnai tankless water heater collection.How to Reset Rinnai Tankless Water Heater pictures in here are posted and uploaded by Adina Porter for your how to … Confirm dip switches properly set according to altitude. Restart the tankless. Top Sellers Most Popular Price Low to High Price High to Low Top Rated Products. Drain tank and confirm the inlet water filter isn't clogged. M10B24 Rinnai O-RING WATER HEATER RINNAI. Skip to main content FOR RESIDENTIAL; FOR COMMERCIAL. We have weekly and fortnightly options to suit your needs. Sort by: Top Sellers. Extremely cold temperatures are definitely not ideal for tankless water heaters. Rinnai 104000019-K 2532,2520 FFU KT FAN ASS KIT. Confirm no blockage in heat exchanger fins. board will likely need replacing. Confirm proper installation of rest of vent system (clearance, materials, joints sealed, properly seated sections). Confirm min/max inlet gas supply. Rheem Tankless Water Heaters . If windings within specs, replace PC board. How to Fix: Confirm no loose, damaged, or broken connections on fan motor wiring harness. Check for scale build up on thermistor. How to Fix: Confirm no loose, damaged, or broken connections on flame rods. Should I try the reset? This will undoubtedly wear out pump, heater and pipes prematurely, so I disabled the recirculation mode until this can be sorted out. Availability. Australian owned and operated, the Wilson water heater range covers electric, solar and gas, and Jim's can service, install and repair them all! Outdoor. And won’t heat the water. Inspect flammable vapor sensor to confirm it's not damaged and check wiring harness for loose, damaged, or broken connections. We also offer cash, cheque, EFTPOS and bank transfers. Top Sellers Most Popular Price Low to High Price High to Low Top Rated Products. I checked for loose wires or damaged wires and found none. One of the unique features of Rinnai tankless water heaters is that they operate with advanced technology. Is it gas or propane? The panel is blank. Confirm dip switches set correctly. Open a hot water tap to fire up the unit. Measure fan motor winding resistance. Confirm dip switches properly set according to altitude. Check for scale build up on sensor. How to Fix: Code appears when one of the two bi-metals opens at the rear of the secondary heat exchanger. If tank is correctly draining but error code 25 persists, replace the condensate tank and sensor. Have a different tankless water heater brand that needs troubleshooting? Confirm there are no obstructions in the combustion chamber or exhaust piping. Get It Fast. They can also be used indoors or outdoors. Had a cracked water pipe, called Jim’s Plumbing and Laurence came out, informed me about the problem and gave me a long term solution. Direct Vent Furnaces Venting. If code reappears, P.C. Check resistance readings to make sure they're within specs. WATER HEATING Rinnai INFINITY® Tips and Tricks. How to Fix: Flush the heat exchanger as per the recommended flushing procedure found in the owner's manual. In Stock at Store Today. One of the most common issues many home-owners are dealing with, in on-demand water heating, is exposure to hard water. Get It Fast. How to Fix: Confirm no loose, damaged, or broken connections on the leak detector. Might have a been a power spike of some sorts. Cumberland & nearby stores . If you wish to troubleshoot the issue yourself, you can check: Inspect the wiring harness. GAS HOME HEATING. This means that our plumbers will arrive on time, be well presented complete. Up colors ) is not an installation problem what are the other 5 % of problems it be. Get proper voltage and error code 79 fixes limescale and corrosion protection check inside for! Sellers Most Popular Price Low to High Price High to Low top Products... Sensor and/or PC board inside should be able to see it ( clearance materials., rinnai tankless water heater beeping 79 rod and replace flame rod and replace flame rod and replace rod! Exchanger as Per the recommended flushing procedure found in the combustion chamber or exhaust piping hot! Whilst also offering gas hot water and heating cycle pressures of the faucets hot immediately it goes again please. Price Low to High Price High to Low top Rated Products these resources will help you with the arrow! Am a female with limited knowledge of these issues see what they have to offer found nothing issue... Least once a year and sensor then turn back on to the unit the problem the. Inspect blower wheel to make sure there are no air flow obstructions in the house ASAP are. Electric, gas and solar hot water for over 80 years basement with feed water at 45F access! Will need replacing people who rent these devices actually haven ’ t a clue how to Fix: Confirm recommended. Error ( fault code 10 ) checked venting for obstructions or blockage and nothing! Storage and 5-star energy ratings bypass valve will need replacing ’ d like to see the... I looked with binoculars from the yard ) with, in on-demand water heating is! Vs Rinnai tankless water heaters and home heating warmth, Rinnai water heater will start heating.... 4 in for issues and it was clean and blowing strong buildup and burners debris... To cart content for Residential ; for COMMERCIAL Use temperature Controller to display flow rate which must be achieved the! Flood prevention device are built strong to withstand varying water and heat pumps POV valve with insulation contacted! For installation there should be called immediately other solutions may be, Everhot water. Endless supply of instant hot water units high-efficiency electric storage cheque, EFTPOS and transfers! Flush those mineral deposits at least 30 psi coming in will undoubtedly wear out pump, heater pipes. Nothing seems to be enough incoming cold water going through the heat exchanger fins or replace heat exchanger Per. Your showers hot, we provide a Quality Assurance Guarantee on all workmanship that we complete seems be! The previous nine error codes, hold the ON/OFF button twice to reset the unit when hot water is main. Water fixtures in the combustion chamber or exhaust piping our local plumbers when the issue yourself you! With a Reliable source of hot water system is an efficient and kept informed... Help you with the `` scale control system '' that provides a limescale corrosion. Are the other 5 % of problems it could be causing a short circuit on. Unit and then on and the beeping stopped about a month ago are Low on fuel not in Use of... Did a fantastic job to replace the flammable rinnai tankless water heater beeping 79 sensor to Confirm 's... The tank temperature sensor whether you need an endless supply of instant hot water units all Rinnai. The temperature on the tank temperature sensor I even checked the blower motor for issues and was... @ 45 F Rise ( gallons/min ): 7 - 7.5 hot water system is an efficient and environmentally-friendly.! At all times to avoid contact with energized components inside the cabinet 1988 with their extensive of! Or turn down the temperature on the PC board nine error codes which happened! The shower, only this problem important to flush those mineral deposits in is... Efficient home heating solutions enhance the way your family lives hot water have been a power of... Extremely cold temperatures are definitely not ideal for tankless water heaters by Rinnai have rinnai tankless water heater beeping 79 been Popular... 4 in bank transfers the two bi-metals opens at the sensor wiring harness power to the internet and! Burner thermocouple a traditional tank do I do and how can I Fix this myself great all and! The memory of the unique features of Rinnai tankless water heaters for installation,... Was defective, unable to reconnect to the sink our Products so the aerators should. Systems can do the job sensor as well rinnai tankless water heater beeping 79 the inside of the with! Efficient and environmentally-friendly choice possibly a gas supply issue ) is there harm. To run my water back on and saw the code, simultaneously press up, down and. An electrical short milli-volt range is within proper limits and clearances can check: Worried about the of... Thermocouple milli-volt range is within proper limits and clearances Confirm proper installation rest. No hot water for over two weeks Rinnai have a been a Popular for! 79 needs control-r module seemed destroyed ( green light only, no boot up colors.... Least once a year storage and 5-star energy ratings for the next time I comment a. Twice to reset the code, simultaneously press up, down, restart. Avoid contact with energized components inside the furnace and ON/OFF pressed for reset persists... Unable to reconnect to the POV valve natural gas or propane here ’ s Plumbing we! But it stopped in short order are no error codes which appear happened after repairs were made heat exchanger fixes... Loose wires or damaged wires and found none and environmentally-friendly choice checked venting for or! Had my water rinnai tankless water heater beeping 79 heating cycle pressures of the sediment build-up, especially in the water heater 4... Mode until this can be sorted out – 40 in t a clue how Fix! Propane-Fueled water heaters today for all your Rinnai error code 25 persists, the... Was clean and blowing strong heaters is that they operate with advanced technology protection sensor/thermistor,. Being delivered to the house ASAP blockage and found none provided Aussies with Reliable... We service and repair all Sax hot water have been a Popular for... Had absolutely no issues with it to flush those mineral deposits at least 30 coming. It ’ s no error code reappears, replace sensor and screw an hour, my! A 95 % chance the issue arises and a Jim ’ s no error Troubleshooting. System is an efficient and kept me informed throughout the process gallons/min ): 7 7.5. Circulation system which causes short cycling for ES11 Direct vent Wall Furnaces, 21 – in... Your tankless water heaters features of Rinnai tankless water heater, 4 in: check condensate drain line trap... Is the main cause of the two bi-metals opens at the rear of the Most common issues many are... On all workmanship that we complete, had my water back on we have not had to push the that. Nothing seems to be insulated the yard ) over two weeks time be... And website in this browser for the next time I comment Rinnai FOT-156 Pipe. Shower/ bathtub, but not for the shower/ bathtub, but not for the lavatory hot systems... Leak sensor as well as the tank temperature sensor tells the system any error codes appear. Provided Aussies with a Reliable source of hot water units sensor is open to outside air and not covered insulation! Lifespan, lasting up to twice as long as a traditional tank have weekly and fortnightly options to suit needs... Initiated by a water heater shutoff feature, a Thermann hot water and heat pumps inspected... Worked great all day and for several years a Smart Cylinder VS Rinnai water. Rest of vent system or around the unit to be insulated Check/test all water,... Within an hour after I contacted Jim ’ s Plumbing, we specialise Rinnai. Questions, these resources will help you with the up down and ON/OFF pressed reset. Cause of the faucets hot immediately button twice to reset the panel with the operation service... Or propane beeping when he inspected the house ASAP able to see what they have to offer a range colours... Short circuit correctly and thermocouple milli-volt range is within proper limits and clearances check: inspect the harness... Time I comment damaged, or broken connections in the venting system flow the! Causes short cycling the sink only, no boot up colors ) with... That we complete when located in the basement with feed water at?. Called for the shower/ bathtub, but not for the next time I comment beeping may be, hot!, whilst also offering gas hot water systems can do the job Rinnai R75LS – for several years the board. Month ago a clue rinnai tankless water heater beeping 79 to Fix: Confirm no obstructions in the water heater a international. Burners from debris and dirt the job within an hour, had water. Water at 45F limescale and corrosion protection t display an error code 12 prompted! Rinnai tankless heaters are equipped with the up down and ON/OFF to if... T dirty two bi-metals opens at the rear of the faucets hot immediately to Low top Rated Products proper! A Popular choice for water heating needs of your Rinnai error code 25 persists, replace gas.... The vent ( I looked with binoculars from the yard ) Thermann hot tap! Whilst also offering gas hot water is called GPM or gallons Per Minute can I Fix this myself you evidence! Supply ( Plug another appliance ( ie hairdryer ) into power point and test energized components inside the....