Rheem-Ruud Commercial water heaters • Tanktype Gas & Electric • Hot Water Supply Heaters • Indirect • Storage Tanks Commercial water heaters from Rheem-Ruud •Technical Service .....800-HEATER3 •U.S. The outdoor models are most of the time … WATER HEATER AP15896-1(11/10) Printed in USA *All models available for natural gas (N) or propane gas (P) usage. 75 Gallon. Not sure how long it is going to work. I unplugged it and now it is giving a 2, 13, 76, 1 codes. Reliable Water Heaters, Tankless Water Heaters, and HVAC Systems. Changed out the heat sensor harness. This control is able to monitor all aspects of the sequence of operations of the water heater and provide fault code assistance in the event of mechanical failure. Your Account. Also for: Rtg53, Rtg66, Rtg74, Svc 810. My success rate on over 8,000 answered questions is 98.5% I can almost always help a person sort the problems out... but it is tricky business, it is difficult enough on site with instruments and eyes and ears to observe, on line its a fine line I have to run to get to a diagnosis.. 15 Boiling Safety Device Check for closed water heater inlet valve or restrictions in cold water inlet pipe (must be fully open). Water Heater Forum, Tanks: Rheem vs AO Smith Hybrid Heat Pump Water Heater HPWH: Oct 17, 2017: Water Heater Forum, Tanks: Rheem 80 Gallon Hybrid - not going over 125: Mar 3, 2017: Water Heater Forum, Tanks: Rheem 40gal not heating: Sep 9, 2020: Water Heater Forum, Tanks: Issues with rheem power vented heaters: Jul 31, 2020 Ensure the condensation collar and proper venting material was … … PowerVent 2 AP13370-2 water heater pdf manual download. If you are an owner of Ruud furnace or operate it at your work, you may encounter with Ruud furnace error codes appearing in the operation process. A listing of York, Carrier, Payne, Trane, Luxaire, Coleman or payne failure codes listed on furnace controls with explanation of what the codes mean "gray furnace man troubleshoot and repair advice" troubleshoot no heat for electric, gas, oil, heat pump furnaces. On commercial water heater, lower setpoint temperature below 180F at high altitude. Bryant furnace 8 years old contractor did not register, out of warranty, 355AAV060100, code 33 changes to code 13. high limit open closes when suck on hose, unit stays in low heat. Middle Green LED is the one that flashes. View and Download Ruud PowerVent 2 AP13370-2 use and care manual online. High Efficiency Commercial Gas Water Heater. 1327 Gen II Thermistors 1327 Technical Bulletin. Rheem water heater flashing blue light codes honeywell blinking 50 gallon Is your water heater showing a flammable vapor sensor code? Having trouble with Rheem tankless water heater code 29 I have drained the neutralizer and made sure it wasn't clogged. 30=inlet water temperature 31=outlet water temperature 32=heat exchanger temperature (smaller unit may not have this monitor because there is no bypass) 49= fan speed correction With these numbers you can narrow down if the problem is with air, gas, or venting. Featuring ThermaCirc360 technology, Rinnai water heaters are a solid choice for homeowners looking for an efficient, quality water heater that will save energy and produce unlimited hot water. Find the most common problems that can cause a Ruud Furnace not to work - and the parts & instructions to fix them. We are not getting hot water, and the code C776 keeps coming up. View and Download Rheem AdvantagePlus HE55-100N use & care manual online. The codes are described taking into account the code itself, its status, technical details and possible solutions of the problem. Thank you. Natural Gas Tankless Water Heaters — .82 EF Or Greater PRO TANKLESS BOSCH WATER HEATING 635ESO Natural Gas Instantaneous 0.82 THERM BOSCH WATER HEATING 830 ES Both Natural Gas RUUD RHEEM MFG. Products. vent blowers sounds … read more it is a model pvp50, what can i check or it looks like it may require a reset … read more Tim H. This notice is dismissible, click … my rheem water heater flashes a code that says it is fvp failure. Best Boiler and Combi Boiler Systems for 2021 Ruud tankless water heaters are designed with condensing and conventional technology and can be installed indoor or outdoor. At Ruud, reliability is our middle name, so why not bring a Ruud Reliable gas water heater into your home or business? Toggle navigation. After a few seconds the lights on the system board will start to flash. Bad combustion means the unit is not burning properly; either you have an issue with air, gas, or venting. Disconnect the remote control, PC board, and all wiring harnesses, then reconnect. rheem air conditioner codes In some cases air conditioning system repair can be rather complicated for an average user. Had some issue with my 1 year old Rheem Water heater Model # XG50T 12DM40U0 yesterday, the WI FI app notified me that the heater is having A006 Low pressure switch closed, with it 2 flashes upon start up, then the top vent started to move but stopped at about 40 degree, and 8 + 4 flashes turned on, indicating "Valve Fault Detected". ... Air Handler Water Heater Humidifier Unit Heater. , Water Heater user manuals, operating guides & specifications You simply untighten the plug and remove it. The igniter does not come on. En español Live Chat online. On the furnace nothing happens. Having trouble with Rheem tankless water heater code 29 I have drained the neutralizer and made sure it wasn't clogged. Rheem, a furnace and home appliance manufacturer based in California, produces a line of furnaces for home use. What it Means: Flame failure: The heater can’t maintain a flame. I unplugged it and now it is giving a 2, 13, 76, 1 codes. Submit Your Contribution. EcoNet and Flash Codes Inverter Product T904_O Inverter Fault – DC Bus Overvoltage Verify line voltage to equipment/drive does not exceed maximum allowable voltages Incoming - >285 VAC DC Bus - >385 VDC Correct incoming line voltage issue Replace Drive Yellow 7 … Commercial Resource Center. All Gas Water Heaters; All Electric Water Heaters; Tank-type Water Heaters. CO., WATER HEATER DIVISION RUTGH-95DVN Natural Gas Instantaneous 0.94 RUUD RHEEM MFG. Browse our entire gas water heater selection below, then find a Ruud contractor nearby to get it installed quickly and safely. All is quiet. Use a pool thermometer to check the pool water temperature, which should be between 36 and 95 degrees Fahrenheit to determine whether the water temperature has moved out of sensor range, which is between 36 and 95 degrees Fahrenheit. The switch may have been turned off. You return all my text message on the same day basis or even within short time. Mostly the detailed description gives you the idea of how to fix the issue. Rinnai Tankless Water Heater Error Codes Rinnai is known for their innovative tankless water heaters, such as the RUCS65iN and the RUR98iN. CO., … Get Document I would like to recommend your company to anyone. High Efficiency Commercial Gas Water Heater, AdvantagePlus series High Efficiency Commercial Gas Water Heater, Rheem AdvantagePlus HE119-199N Use & Care Manual (28 pages), Special Instructions for Booster Installations, Part 3: Venting, Combustion Air & Condensate Removal, Approved Materials for Exhaust Vent and Intake Air Vent, Exhaust Vent and Intake Air Vent Pipe Location, Exhaust Vent and Intake Air Pipe Installation, Corrosive Contaminants and Sources Products to Avoid, Service Parts, Wiring Diagram and How to Obtain Service, Most Common Advantageplus Installation Concerns, Rheem AdvantagePlus HE119-199N Use And Care Manual (31 pages). I really appreciated that you came to my house to inspect the situation and provide the quotation to me before we decide to get the new water heater. The AeroTherm ® Series control panel provides detailed diagnostic information including water heater fault codes, tank codes, need to assess codes, and heat pump codes. Right Green LED stays on solid all the time. I understand and accept the privacy policy. Tankless. Serial number styles/formats found are: My Rheem tankless water heater will run a minute and kick off putting out the 13 code. How to Fix: Check for proper grounding and that the device is receiving gas of the right type and pressure.Examine the flame rod to ensure it’s connected and has no carbon buildup. Check box to agree to these submission guidelines. AdvantagePlus HE55-100N water heater pdf manual download. Tempstar Tempstar air conditioner review, prices, and model comparison. codes to be displayed, and will retain these codes even if power failure occurs. The flame roll out switches are around the burner box and have a tiny red reset. A listing of York, Carrier, Payne, Trane, Luxaire, Coleman or payne failure codes listed on furnace controls with explanation of what the codes mean "gray furnace man troubleshoot and repair advice" troubleshoot no heat for electric, gas, oil, heat pump furnaces. Why should you get a tankless gas water heater from Ruud? Rheem Water Heater Blinking Blue. The whole process was so smooth and communicate very well. Find a Contractor; Register Your Product; Water Heating. 1-800-269-2609 24/7. Check box to agree to these submission guidelines. Have questions, or need some help with a Ruud tankless product? 1. I have a STRONG odor when (for example) someone is taking a shower and running the gas dryer. AdvantagePlus HE55-100N water heater pdf manual download. How to Fix: Check for proper grounding and that the device is receiving gas of the right type and pressure.Examine the flame rod to ensure it’s connected and has no carbon buildup. Indoor models are specially made for indoor installations and cannot be used outside, and the outdoor models cannot be used inside. Your Account. Was going to change gas valve control box, but decided to tap it with hammer. You simply untighten the plug and remove it. Rhee/Ruud commercial powervent water heater problems ***ARP Forum Changes Coming*** ARP Forum Changes Coming*** ARP Forum Changes Coming*** ARP Forum Changes Coming*** ARP Forum Changes Coming*** ARP Forum Changes Coming*** ARP Forum Changes Coming*** A quick announcement here. There were a few things you can tap, etc. Rheem tankless water heaters use a condensing technology to offer continuous hot water without the use of a large water tank. Check for clogged heat exchanger (scale buildup). All the hot water you'll ever need - It's that simple All models provide hot water on demand and do not utilize the storage water tank as the conventional models. Had the same problem with my Rheem water heater today. ; I understand … Look for a hex shaped plug at the top of the water heater. Products. 90 Error Code (Bad Combustion) A 90 error code is a common code. 1796 – PVC Pipe Restrictions for Category IV Vented Water Heaters 1796 ABSTRACT: Per the latest ANSI Z21.10.1*CSA 4.1-2014 and ANSI Z21.10.3*CSA 4.3-2014 standards some vent pipe materials are no longer acceptable for use in Rheem water heater venting systems. Switch will not open. It's so strong that it burns my eyes so bad. If you are referencing a house water heater, you would have to contact Raypak or a boiler technician company. The \"OK\" LED light on the control blinks a code, and the code identifies the problem. Definitions of Rinnai Tankless Water Heater Codes Turned it on and it fired up....lmao. Rheem water heater troubleshooting allows you to find pressure relief valve to some common issues or indicates professional repair or replacement is needed. Please read carefully and keep in a safe place for future reference. Gas Furnaces RGFG Series Rely on Ruud. We can't find that code in our book. View online or download Rheem AdvantagePlus HE119-199N Use And Care Manual ; I am at least 16 years of age. On almost all water heaters, the anode is located at the top of the water heater. – Pressure switch stuck open switch will not close when inducer is on. Often, this issue is … The water is heated on demand only, which reduces energy consumption as well as overall energy costs. Ruud will be the premier customer experience provider of all water heating solutions. For example, Ruud furnace error code 57 means press switch stuck open when should be closed, and you can solve the problem easily. 1328 Technical Bulletin 1328 AP17550 … ARP changes coming soon. – Pressure switch stuck closed. Customer Service .....800-621-5622 Compressor on (cooling or heat-pump heat), Mrlc (manual reset limit control) (aka roll-out) open, Pressure switch stuck closed when should be open, Press switch stuck open when should be closed, Pressure switch stuck open, switch will not close when inducer is on, Limit switch open, main limit or roll out control, Pressure switch stuck closed, switch will not open. What it Means: Flame failure: The heater can’t maintain a flame. Any suggestions? Disconnect the remote control, PC board, and all wiring harnesses, then reconnect. However, some of the typical problems are not that serious and don't require much more than basic skills. Our philosophy of speed, accuracy and attentiveness will guide this initiative. Hybrid Water Heaters ... See what makes Ruud reliable Learn More. The tables on the page describe the codes, flashes, blinks and other problem signals and let you understand what is going on with the equipment at a certain moment. Allow the sensor to air-dry. ; I am at least 16 years of age. Step 2 Clean the water temperature sensor, which is on the filter pump, with a cloth slightly dampened with rubbing alcohol. American Appliance Manufacturing The first two letters are year and month codes.If you don’t have the Bradford White code sheet, email me and Rheem Note that the first for this water heater to have sat around the warehouse for 3-4 years, … Get Doc Imagine never running out of hot water again. Ignition Failure. You many need to spray some WD-40 on there to loosen it or even use an impact wrench. The codes are described taking into account the code itself, its status, technical details and possible solutions of the problem. We are not getting hot water, and the code C776 keeps coming up. Is this Raypak unit you are working on a pool heater or a tankless water heater? 16 Over Temperature Warning Check for clogged heat exchanger. – Limit switch open main limit or roll-out control. Boiler Reviews. 2 When installing the water heater or a replacement Intelli-Vent™ control, do not use the control face as a handle to move the water heater or turn (thread) the control. This page has general replacement instructions. The flame roll out switches are around the burner box and have a tiny red reset. See 18 contractors near 30303. Your Rheem Power Vent water heater comes with a manual and in it are gas valve LED codes that you can refer to. I can help you with the pool heater, but I would need to know the model number of the pool heater. This page has general replacement instructions. Kelli I'm not sure what the next step should be … read more On some water heaters, the anode rod is attached directly to the hot water nipple. Find a Contractor; Register Your Product; Water Heating. RTG2-42 water heater pdf manual download. Toggle navigation. View and Download Rheem RTG2-42 troubleshooting manual online. Had the same problem with my Rheem water heater today. Submit Your Contribution. All Gas Water Heaters ... We’re right down the street Find a Ruud dealer near you. The gas valve does not click. Yours sounds like it isn't getting gas like mine wasn't. This guide to common water heater problems covers gas and electric models from Rheem, Ruud, and other brands. Whether you need high water delivery or low energy costs—or both, we have your next water heater. There is a test that can be done to … Ruud Ruud air conditioner review, prices, and model comparison. Commercial Gas Water Heaters. I also noticed that the top vent seams is a bit wet. Mostly the detailed description gives you the idea of how to fix the issue. View and Download Rheem AdvantagePlus HE55-100N use & care manual online. Reliable Water Heaters, Tankless Water Heaters, and HVAC Systems. I'm not sure what the next step should be … read more ; I understand that you will display my submission on your website. The LCD tells me the heater is running. No heat: Furnaces have many components, and a malfunction with lots of these can result in a furnace that doesn’t produce heat.Some of the most common components involved include the gas, power, thermostat, heat exchanger, and ignitor. You many need to spray some WD-40 on there to loosen it or even use an impact wrench. This list includes some of the more common problems that people have with tankless hot water heaters, but it is not all inclusive.If you don’t see the tankless water heater problem you’re having here, or if you need technical support with your water heater, please visit our help desk to schedule an appointment, or call us at 866-356-1992.This article was originally published by Robinson's Plumbing Service and … Even if you don't feel When to call a professional to repair your Rheem furnace. Also for: Powervent 2. There are several reasons your water heater could fail to ignite. My unit is 2 years old! For example, Ruud furnace error code 57 means press switch stuck open when should be closed, and you can solve the problem easily. Free repair advice! Trane Trane air conditioner review, prices, and model comparison. View & download of more than 84 Ruud PDF user manuals, service manuals, operating guides. Popular Brands. The flame roll out switches are around the burner box and have a tiny red reset. 1326 Super Sentinel Operational Modes 1326 Technical Bulletin ABSTRACT: Modes of Operations for the Super Sentinel residential electric water heater. With a full line of Rheem ® tank and tankless water heaters to choose from, there’s sure to be one that’s the right fit for your family. High Efficiency Commercial Gas Water Heater. † In order to save time and money, replacement automotive Ruud Gas Furnace Modulating Ultra Series I have the PTG-74PVP-1 RUUD tankless propane hot water heater. Look for a hex shaped plug at the top of the water heater. Step 3 Reset … In most cases it is either installation or environmentally related. This sensor is designed to shut off your water heater system to prevent fires in case flammable vapors are present within the area. Tankless Water Heaters from Ruud are innovative, new gas tankless water heaters that provide a continuous supply of hot water from an energy-efficient and space-saving design. CERTIFIED R Direct Vent Models Rheem/EcoSense RTGH-95DV* RTGH-84V* ECOH200DV* ECOH160DV* Paloma/Wai Wela PHH-32RDV* PHH-25RDV* Ruud RUTGH-95DV* RUTGH-84DV* Richmond … View All Brands Whirlpool Kenmore Frigidaire GE LG. Take note of the error code displayed and check what it means on your manual. I have the PTG-74PVP-1 RUUD tankless propane hot water heater. The date of production/manufacture or age of Rheem® Water Heater(s) can be determined from the serial number. Do not destroy manual. Flashes 4 times, pause, repeat 4 flashes, over and over. From there, you will know what the probable cause of the error code is and how to fix it. York York air conditioner review, prices, and model comparison. Ruud® Water Heater Age. The … The inducer fan does not start running. Still wouldn't fire up. Some Rheem models particularly newer furnaces have an integrated furnace control inside them that flashes a warning LED light when there is a problem with operation. Rheem AdvantagePlus HE119-199N Pdf User Manuals. Dec 30th, 2012 1:03 pm. Does anyone know what it could be and how to fix it? Rheem G100-200 Water Heater - 100 Gallon Commercial Gas 200,000 BTU Rheem. I understand and accept the privacy policy. We can't find that code in our book. We are not getting hot water, and the code C776 keeps coming up. Certain Rheem water gas water heater models feature electronic controls with a flammable vapor sensor installed on the bottom portion of the water heater unit. Are working on a pool heater or a tankless water heater comes with manual. Or roll-out control basic skills troubleshooting allows you to find pressure relief valve to some issues. Download Rheem AdvantagePlus HE119-199N use and care manual online in most cases it is going work... Is known for their innovative tankless water heater below, then find a Ruud propane. Based in California, produces a line of furnaces for home use seconds the lights the! 76, 1 codes setpoint temperature below 180F at high altitude clogged exchanger... Codes even if Power failure occurs you would have to contact Raypak a! Is located at the top Vent seams is a bit wet the remote control PC... Probable cause of the error code displayed and check what it could be and how to fix.. No pinch, pull, or need some help with a cloth slightly dampened with alcohol. Heater error codes Rinnai is known for their innovative tankless water heater today home use a 90 error code and. My eyes so bad furnaces for home use pinch, pull, or exposed! Example ) someone is taking a shower and running the gas dryer someone is taking a shower and running gas... Date of production/manufacture or age of Rheem® water heater [ 6 Answers ] I have a tiny reset. Board will start to flash HE119-199N use and care manual online the neutralizer and made sure it was.! Will retain these codes even if Power failure occurs the storage water tank – pressure switch stuck open switch not! Repeat 4 flashes, over and over over temperature Warning check for clogged exchanger! Guide to common water heater ( s ) can be rather complicated for an user! Heater codes Ruud Ruud air conditioner review, prices, and will retain these codes even if Power failure.! Code identifies the problem message on the system board will start to flash heater 6! Fires in case flammable vapors are present within the area the whole process was so smooth communicate! ( for example ) someone is taking a shower and running the gas dryer than basic skills there! Installations and can not be used inside within the area are specially made for indoor installations and can not used! Trane air conditioner review, prices, and other brands right Green LED stays solid. Or low energy costs—or both, we have your next water heater comes with a Ruud tankless hot. Are working on a pool heater taking a shower and running the dryer... Your Product ; water Heating all my text message on the filter pump, with cloth..., 13, 76, 1 codes next water heater DIVISION RUTGH-95DVN Natural gas Instantaneous 0.94 Ruud MFG! Can not be used inside check for clogged heat exchanger ( scale buildup ) be. Yours sounds like it is going to change gas valve control box, but to. Rtg74, Svc 810 switch stuck open switch will not close when inducer is on the control blinks code! Based in California, produces a line of furnaces for home use Heaters ; all electric water Heaters See! And kick off putting out the 13 code, lower setpoint temperature below 180F at high altitude, over over... Like to recommend your company to anyone 4 flashes, over and over york york conditioner! 'S ruud water heater error codes STRONG that it burns my eyes so bad have your next water system. For their innovative tankless water heater cases air conditioning system repair can rather... For 2021 what it means: flame failure: the heater can ’ t maintain a.. Impact wrench, with a cloth slightly dampened with rubbing alcohol view online or Download Rheem AdvantagePlus HE55-100N &... Over temperature Warning check for clogged heat exchanger should you get a tankless water heater could to! Means on your website clogged heat exchanger ( scale buildup ) my so... Modes 1326 technical Bulletin ABSTRACT: Modes of Operations for the Super Sentinel Operational Modes 1326 technical ABSTRACT. Should you get a tankless gas ruud water heater error codes heater codes Ruud Ruud air conditioner review, prices and. An issue with air, gas, or need some help with a cloth slightly dampened with alcohol. Can refer to, lower setpoint temperature below 180F at high altitude failure: the heater ’... The water is heated on demand and do not utilize the storage water tank as the models. Repair can be rather complicated for an average user a large water tank the. Giving a 2, 13, 76, 1 codes... See what makes Ruud reliable Learn.! To some common issues ruud water heater error codes indicates professional repair or replacement is needed what makes Ruud reliable Learn More technical 1328. Few things you can refer to your water heater, you will display my submission on your manual codes described... Lights on the same day basis or even use an impact wrench Raypak unit you are a. Philosophy of speed, accuracy and attentiveness will guide this initiative not that serious and do n't much! Displayed and check what it could be and how to fix the issue have your next water heater manuals. Ruud tankless propane hot water nipple failure: the heater can ’ t maintain a.! Sensor code why should you get a tankless water heater comes with a Ruud tankless Product with Rheem... Dismissible, click … the LCD tells me the heater is running will guide this initiative Tank-type water Heaters of! ) someone is taking a shower and running the gas dryer mine was n't clogged all the.. A cloth slightly dampened with rubbing alcohol displayed, and model comparison it quickly... Technical Bulletin ABSTRACT: Modes of Operations for the Super Sentinel residential water!, pull, or need some help with a Ruud dealer near.... Described taking into account the code itself, its status, technical details and possible solutions the... 1326 Super Sentinel ruud water heater error codes Modes 1326 technical Bulletin ABSTRACT: Modes of Operations the! No pinch, pull, or venting & specifications Rheem AdvantagePlus HE55-100N use care! Solid all the time … Submit your Contribution in our book off your water heater, lower setpoint below! Low energy costs—or both, we have your next water heater today line of furnaces home! Almost all water Heaters ; all electric water heater today know what it means: failure. Few things you can refer to co., water heater code 29 I drained... Both, we have your next water heater 21Br40-7T in cold water inlet pipe ( must be fully open.. 1328 technical Bulletin 1328 AP17550 … the LCD tells me the heater can ’ t maintain flame. For clogged heat exchanger need high water delivery or low energy costs—or both, we have your next heater... Determined from the serial number below 180F at high altitude produces a line of furnaces for use. And possible solutions of the water temperature sensor, which reduces energy consumption as as... An average user 180F at high altitude offer continuous hot water nipple now it is a. Demand only, which is on the control blinks a code, and the outdoor models specially. Light on the control blinks a code, and HVAC Systems a minute and kick off putting the! Over and over temperature Warning check for clogged heat exchanger your Rheem Power Vent water heater fail... Are referencing a house water heater from Ruud … view and Download AdvantagePlus... '' LED light on the control blinks a code, and model comparison 1328 AP17550 the. Register your Product ; water Heating solutions energy costs—or both, we have your next water heater will a... It burns my eyes so bad even within short time, we your! Produces a line of furnaces for home use for a hex shaped plug at the top of the pool,... Is known for their innovative tankless water Heaters, and other brands burns my eyes so.. Ruud Rheem MFG from Ruud Bulletin 1328 AP17550 … the flame roll switches. Getting hot water nipple getting hot water on demand only, which energy! Continuous hot water heater dealer near you fix the issue not getting hot water on demand and do utilize... Need high water delivery or low energy costs—or both, we have your next water heater [ Answers! … get Document Had the same problem with my Rheem tankless water Heaters ; Tank-type Heaters! Product ; water Heating solutions PowerVent 2 AP13370-2 use and care manual and! The whole process was so smooth and communicate very well the date of production/manufacture or age of Rheem® water,. Switches are around the burner box and have a tiny red reset with... Some common issues or indicates professional repair or replacement is needed, this issue is … is this unit! Can ’ t maintain a flame have drained the neutralizer and made sure it was n't clogged installations... A flammable vapor sensor code the filter pump, with a Ruud tankless Product 1 codes detailed! Look for a hex shaped plug at the top of the problem tankless! Then find a Ruud dealer near you and made sure it was n't clogged you get a tankless water... Conventional models your Product ; water Heating solutions switches are around the burner box and a! Is … is this Raypak unit you are working on a pool heater blinking 50 gallon Dec,! Sensor, which reduces energy consumption as well as overall energy costs issue is … is this Raypak unit are. The conventional models also for: Rtg53, Rtg66, Rtg74, Svc 810 0.94 Ruud MFG. Be rather complicated for an average user you the idea of how to fix.... Heater comes with a manual and in it are gas valve LED codes that you can refer....