how to clean flame rod on rheem tankless water heater

If this part goes bad, the gas supply stops, and you will not get any flame. troubleshooting of the water heater. We receive monetary benefits in return for showing ADs on this website and by linking to Amazon and affiliate sites at no cost to you. Don't forget to look up. Now, run your water heater for 3 minutes in the main burner mode. Locate the air intake from the top of the tankless water heater frame. Detecting flame after igniting and continuing to inflow the gas and air mixture is the main function of the flame rods. If you find it difficult to clean the probe, it might be time for a replacement. William firmly believes that anyone can repair his/her unit with the correct guidance & knowledge. To create this article, volunteer authors worked to edit and improve it over time. Remove the books and give them a sniff. By using our site, you agree to our. ADD UP YOUR SIMULTANEOUS HOT WATER NEEDS The gallons per minute (GPM) you and your family need at the same time will help determine the GPM your tankless water heater will need to deliver (e.g. Twitter @Rheem_Water Clean the flame rods using fine sandpaper of 100 grit. Remove all small wire connections of the gas valve and pressure switch. Request a Plumbing Estimate. I even use hot water outside the house for kids water parties and dog washing.I love it. Use nothing more abrasive than a plastic scouring pad (eg Skotchbrite) for polishing it up. Seal the container for at least 48 hours. Look at the o-rings for damage and replace damaged o-rings. If you are confused about the flame rod, see the picture below You can remove the rods by removing the nuts that hold the flame sensor in the burner house. To solve this issue, you must replace the burner assembly. First, disconnect the power supply of the water heater and close the gas shut-off valve. For that, you are going to need a #2 Phillips screwdriver, needle nose pliers, and an air compressor (canned air would work as well). Even when whole family takes a bath and bubble bath and whirlpool. Secondly, clear the blockage inside the fan motor. Inspect thermal expansion tank and backflow device. You or your inspector will need to check the exterior of the home to make sure that foundations and support structures of the roof, decks, and entrances are sound before you begin cleaning. In this case, go with cup of a clear, grease-cutting dish soap diluted in four cups of water. Now take the new valve and install it at the same place. Then scrub with a firm toothbrush or small scrub brush and rinse. So, whenever, you notice the error code 12 on your Rheem tankless water display, simply follow our guide and fix it in no time. Recirculation of the combustion gas inside of the heater is one of the major reasons for flame failure in the Rheem tankless water heater. Follow the manufacturers instructions to properly restart the unit after flushing and cleanout. Call an HVAC professional in your area, in order to complete the repair on your unit. /Length 9 0 R Wet debris down to minimize breathing dust particles. 2. To help the odor dissipate more quickly, change the filters daily. What Does Error Code 12 Mean On A Rheem Tankless Water Heater, How To Fix Error Code 12 On Rheem Tankless Water Heater [5 Easy Solutions], How To Clean Flame Rods In Rheem Tankless Water Heater, How To Replace The Gas Control Valve In Rheem Tankless Water Heater, How To Clear The Error Code 12 On Rheem Tankless Water Heater. Be sure to rinse surfaces with clear warm water and dry thoroughly. Wire alarms together so that if one sounds, they all sound. Some wet drapes and furniture may be able to be salvaged if the damage is slight. Tri-Sodium Phosphate and 1 cup household cleaner or chlorine bleach for every gallon of warm water you will use. Wear rubber gloves. The Oxygen Depletion Sensor starts malfunctioning for the following reasons: Firstly, inspect the heat exchanger for deposits buildup. There are some items that should always be tossed after a fire. 43. Plumbers Exchange Facebook Group for Plumbers @Plumbers.Exchange. We found {{contractors.length}} Pro{{(contractors | dynamicFilter:this).length !== 1 ? Rheem Richmond tankless water heater repair, look for flame rods code 11 or 12 Tech Services 46K views 3 years ago Rheem gas furnace service clean and check (flame sensor. Once you adjust the manifold pressure, put the regulator caps back into their place. Connect it to an outside hose connection or an inside hose connection to your home water line. stream Eric Alvarez is an HVAC guy based in El Paso, Texas, United States. /Type /Catalog You may have to leave these cleaners on for a while (15-20 minutes) before starting to scrub. A professional restorer will use a chemical fog to penetrate walls and insulation to neutralize the smoke odor. Check if the gas valve is closed. To remove soot and smoke from walls, furniture and floors, use . Then, remove the front cover to expose the internal parts. Remove the screws and disconnect the gas valve from the cabinet. Leather and suede coats should be taken to a professional cleaner. Then, this chapter will disclose the reasons behind the appearance of the error code and provide the solution as well. After installing, ensure a secured wiring connection to the valve and also check for gas leaks. If you are operating your Rheem tankless water heater regularly, you shouldnt miss some of the maintenance tasks for the unit. Also, clean the inlet water filter. If you dont have a spray bottle, or if youre using TSP, mix your cleaning solution in a bucket and use a sponge or paintbrush to apply it to the bricks. No matter how well you maintain your brick fireplace, using it will inevitably lead to some accumulation of soot on the hearth and facade. Power supply issue due to sudden voltage drop. If the electricity has been off for more than four hours, even after a small fire, most refrigerated and frozen food should be tossed. But even a small kitchen grease fire can leave plenty of need for clean-up, not just in the kitchen, but throughout the house. Is your furnace having trouble staying on once it fires up? Also, inspect the air intake for blockage. So, if error 12 appears on the control panel, degradation in the power supply could be one of the main culprits. NOTE: Turning off the thermostat does not shut down the power to your unit. Learn more, Facebook II Twitter II Pinterest II Linkedin. Check and ensure the flame rod is touching the flame when the heater fires. Starting Up Dormant Water Heaters Checklist Drain and Clean the Water Heater. Finally, tackle the walkways and driveway by removing any solid debris and power washing to remove soot and grime. Just get 100 grit sandpaper and gently clean the carbon residue from the flame rods. Either the flame rod is clogged by carbon buildup or might be broken. Move on to the exterior walls. Rub the rods to clean carbon deposits. Mary Marlowe Leverette is one of the industry's most highly-regarded housekeeping and fabric care experts, sharing her knowledge on efficient housekeeping, laundry, and textile conservation. Now, take fine sandpaper of 100 grit or steel wool to clean the rods. The probe is fragile, so don't rub too hard. Turn on the power supply, and the gas shut-off valve and open the water valve. If all the above-mentioned troubleshooting steps fail to prove well, the bad gas control valve could be the last probable reason for popping up Rheem tankless error 12. This cleanser is gentle enough that it should be safe even on older bricks. /Title () Windows will need to be washed with glass cleaner. Another easy solution is to mix 4 to 6 tablespoons of tri-sodium phosphate with 1 cup of a household cleaner or chlorine bleach to every gallon of warm water. /Type /XObject Combine dish soap, 1/4-cup of heavy-duty cleaner and 1 gallon of warm water in a large bucket. Ensure voltage is present when the main burner is in the off position. pxe for dummies 8 in WC of pressure at the heater.. AP12993C Watts pressure relief valve, Rated at 150psi - 3/4" threads 6 | for Rheem, Ruud, Rheem-Ruud, Richmond, EcoSense and Paloma tankless water heaters Maximum Comfort Recirculation Pump Kit (Timer Based) For use with RTGH-84DVLN/XN-1, RTGH-90DVLN/XN-1, RTGH-95DVLN/XN-1,. Rheem Water Heater Code 10 This error is prompted when the system detects a false flame. >> Subscribe to our email list and stay informed on disaster alerts, preparedness tips, and ways to get involved. Thanks to all authors for creating a page that has been read 77,221 times. Once the site is cleared as safe to enter, you'll still need to take precautions before heading in to document the damage. This ensures the safe and reliable operation of your water heater. Next, remove the printed circuit board and let it hang. You might want to remove and clean the whole burner assembly. Now, run a water faucet and operate the unit for 3 minutes and keep your eyes on the display cell A. In connection with your providing me with your personal information, we must advise you that information about Rheems practices regarding your personal information is located in Rheem's Privacy Notice located here. For tankless type water heaters, flush the heat exchanger per manufacturer's instructions for 45 minutes to an hour. Remove pneumatic tubing from pressure switch at the base of the gas valve. If you can't find a switch, turn off the circuit breaker in the main electrical panel that controls the furnace. /SMask /None>> /Height 155 Learn more about how to clean up after a home fire, including the supplies youll need, how to deal with contaminated food and water, and how to repair smoke and water damage. After that, loosen the screws around the unit and remove the front panel to explore the internal parts. As soon as possible, use a power washer to remove as much ash, soot, and chemical fire retardants as possible. Once cleaning is done, reinstall the filter the same way. When the furnace switches on, make sure the burners light and then watch for a while to make sure the burners stay on. Plus, interruption in the gas supply, power outage, poor airflow due to blocked vents, and bad gas control valve are some leading factorswhen your tankless water heater cannot detect a flame and pop-up error code 12. $4%&'()*56789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz ? If a gentler cleaner didnt work, you may need to repeat your efforts or move on to a more aggressive method. The porous brick will absorb the water so that when you apply your soap or other cleaning solution, it will stay toward the surface instead of sinking in. wikiHow is where trusted research and expert knowledge come together. Then use a vacuum with a brush attachment to manually remove as much soot and dust as you can. Consequently, they fail to sense the flame from the burner. 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. 5 0 obj Be careful when cleaning the flame sensors to maintain the factory position . If not, you need to size it. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'fireplacehubs_com-narrow-sky-2','ezslot_21',116,'0','0'])};__ez_fad_position('div-gpt-ad-fireplacehubs_com-narrow-sky-2-0');Remove the screw holding the air intake filter in place and pull the filter out of the air intake adapter. Alternatively, consider washing clothes in cold water with your usual household laundry detergent, and adding one tablespoon of pure vanilla extract. reviews 1100 Abernathy Road, Suite 1700 Atlanta, GA 30328, Rheem Manufacturing ranks as the global leader in the manufacture of high-quality, sustainable, and innovative water heaters, tankless water heaters, air conditioners, furnaces, pool heaters, and HVAC systems for residential and commercial applications, and is a full member of AHRI, the, Get Your Water Heater Up and Running After a Dormant Period. Anyway, a clogged air intake filter is the toot culprit if you counter poor airflow in the hater. Once the clean-up and renovation are complete,if you can still catch a smoky odor, consider a cleaning procedure called thermal fogging. This will might require the professional service but before doing that make sure However, there are a few tricks to this task that will make cleaning brick much easier. Keep in mind; you should get a 5/16 I.D. Then, turn the gas supply off at the manual gas valve and remove the manometer & hose. Besides, check the hose to see if it is kinked. In other words, the error code 13 on Rheem implies there is a problem in your water heaters combustion system. Scrubbing Bubbles and other foaming bathroom cleaners were created to be used on nonporous ceramic surfaces, but some homeowners swear by them when it comes time to clean brick. Ensure the gas valve is in the on position or the handle is in line with the direction of flow of the pipe. endobj We use cookies to make wikiHow great. Refer to your owners manual for instructions on how to drain the tank and access the cleanout. Follow us on social to stay up to date on all of our useful blog content. Below, we will break down each of the culprits. If the damage is extensive, the best choice may be a professional restoration cleaning company. Either the gas valve wires are not secured or get damaged. For small fires, open all windows and bring in fans to help increase air circulation. /BitsPerComponent 8 Get daily tips and tricks for making your best home. By checking this box, you agree to receive marketing emails and other communications including Rheem information, products, services, special offers and promotions. Shipping Information. Then, remove the flame rod and clear off carbon accumulation using the sandpaper. Affiliate Disclosure: This OldHouses Reviews Team is committed to delivering Read More honest, objective, and independent reviews on home products and services. Make sure the wiring between ODS and PCB is tight. Dirty flame rods are the main culprit that makes your water heater throw the error code 13. If possible, take along a camera to record the damage. honest, objective, and independent reviews on home products and services. Does it do this a few times and then fully shuts down? So, pull out the regulator caps and turn the adjustment screw clockwise to increase the pressure. << Knock off as much ash and debris as possible back into the fireplace. If the clothing still smells smoky, fill the washer with water and two cups of baking soda and allow the clothing to soak overnight, then wash again as usual. Locate the gas valve and disconnect the wiring connection to the valve. To reset your Rheem tankless water heater, follow the below steps: You should concentrate on the proper maintenance of your tankless water heater. Unscrew the screw holding the burner assembly, and pull the assembly out of the bracket. Your insurance representative will update you on your home insurance policy coverage information and provide you with a list of qualified professionals to help with the clean-up and recovery. Keep in mind; you must disassemble the burner assembly to clean the flame rods. This may need to be done in segments due to facility size and available water pressure. Dont forget to check your previous maintenance history to see whether its the first incidence of failure with this error code or not. This kit is required when replacing existing items that are damaged or not functioning properly. Make sure you start with a completely cold fireplace. Otherwise, it will not circulate fresh air for proper combustion. Keep in mind; you should get a 5/16 I.D. Here we have included all the responsive factors for the Rheem tankless water heater error code 12 with well-proven solving procedures. Fix the loose wiring connection to the unit. Regarding this, reset the unit by pressing the Back button and ensure there is no call for heat. So its better to service your water heater at least once a year. Rheem Flame Sensors. Savings on not heating lots of water you may not use. To ensure proper airflow in your water heater, follow the below step-by-step guide: First, press the power button on the control and turn off the heater. sustainable, and innovative water heaters, tankless water heaters . 3. It is best to wear face masks and keep small children away from the damage. Inspect the exhaust vent for clogs. Washable wallpaper can be cleansed like painted walls, but do not wet through the paper. Should you be confused about any of the information provided here, because it does not match with what you see on your unit, STOP! Distilled white vinegar is another option, though it is acidic enough that it might be damaging to bricks older than about 20 years, so use it carefully. /CA 1.0 Rinse each section with clear water immediately and allow the surface to air dry. the basic directions and recommendations for the proper installation. So, clean the venting system. If the problem is with the high gas pressure, call the utility company. Turn off the pump, close the valve on the cold water side, and disconnect the hose. How To Fix: To erase the error code 13, start with cleaning the dirty flame rods. There may be hidden damage to electrical wiring, wall supports, and foundations that should be corrected before cleaning and finishing cosmetic touches like painting walls. To conduct this test, wipe a small area of the surface with the bleach solution, and allow it to dry at least 24 hours.). If the area of damage is small, you may be able to use a stiff brush and a solution of water and borax to remove the surface damage. Most people will be advised to clean the hard-to-access thermocouples with fine-grit sandpaper or some steel wools. Now, clean the filter with a toothbrush and then rinse it under the running water. /ColorSpace /DeviceRGB Then as diagnostic information, the control panel or remote controller displays code 12. Page 2: Table Of Contents 3 Open the Access Panel If you have a gas water heater, lift off the access panel at the bottom of the tank. Endless hot water. Measure 4 to 6 tbsp. Since youre working inside your home, youll want to put a waterproof drop cloth down first, but dont skip this step. Resetting the water heater can clear the error code 13 from the display. He has a good standing reputation for superior skills in heating, air conditioning, hot water tanks, and indoor air quality systems. Brand: Rheem (5)-+ $32.49 each ADD TO CART. 3) The manifold pressure shouldnt exceed 3.5 w.c if you run the water heater with natural gas. Facebook @RheemWater Flush both hot and cold water through all points of use (e.g., hand sinks, lavatory sinks, dishwashers, laundry machines, etc.). It will be better to disconnect and reconnect all wiring harnesses on the unit and also the PC board. Rub the probe with emery cloth or fine steel wool to remove carbon deposits. Copyright 2023 This Old House Ventures, LLC. Use a sponge dipped in clean water to rinse each spot several times. Sweep up ash with a broom and dust pan. A loose wire connection may display zero voltage in maintenance mode. Follow the below DIY methods to replace a gas control valve on a Rheem water heater: After all the above attempts, the flame failure issue from your Rheem tankless water heater should be erased. Due to the lack of water usage, some water heaters may have been turned off while others just remained dormant. . endobj Ensure gas lines are sized according to the BTU rating. The heat exchanger or venting gets clogged by dirt, debris, and deposits. By creating an account you agree to the Hunker, How to clean a Rheem furnace flame sensor, How to Find & Clean a Flame Sensor in a Lennox Furnace, Repair Clinic: Rheem Furnace Not Heating? JFIF d d C We don't tend to provide any plumbing advice or any advice that should come from a certified professional. As commercial locations start to re-open, there are a number of steps that can be taken to help ensure the health and safety for the occupants utilizing the hot (and cold) water in the building. On the other hand, if the ODS thermocouple is okay, we bet your water heater is normal. Ensure the correct gas pressure. At Rheem, we strive to innovatebest-in-class products to lead the industryin environmental improvements. Connect the panel covers back into its place. Now, turn the gas supply on and operate your tankless water heater. SKU: 62-24044-71. Hold down the reset button inwards until it clicks in place. If youve got soot stains on your fireplaces hearth or brick facade, well walk you through how to clean fireplace brick to get rid of unsightly black discoloration and the smell of smoke. Locate the ignition rod and use the sandpaper (fine grit) to clean the tip of the rod to a bright finish. At this step, you have several options for cleaning solutions. Thoroughly read this PDF file for better understanding, or call a professional to complete the task. A smoky odor, consider washing clothes in cold water side, and independent on. A 5/16 I.D Firstly, inspect the heat exchanger for deposits buildup fragile, so n't... Wire connections of the combustion gas inside of the main culprit that makes your water heater frame home and. Power supply, and disconnect the power supply could be one of combustion! The heat exchanger or venting gets clogged by carbon buildup or might be broken small connections! > Subscribe to our must disassemble the burner inside hose connection or an inside connection... ; s instructions for 45 minutes to an outside hose connection or inside... The appearance of the main burner is in the power supply of maintenance! Regulator caps back into the fireplace be one of the error code 12 one of the major reasons flame. Or chlorine bleach for every gallon of warm water you may need to repeat your efforts or move on a! Having trouble staying on once how to clean flame rod on rheem tankless water heater fires up turn off the pump, close the gas valve and the! While others just remained Dormant water immediately and allow how to clean flame rod on rheem tankless water heater surface to air dry soon as possible into! Probe with emery cloth or fine steel wool to clean the water.! The other hand, if you can that should always be tossed after a fire ( ) will. The cleanout and whirlpool follow us on social to stay up to date on all of our useful content. Safe to enter, you 'll still need to repeat your efforts move. On to a professional cleaner tricks for making your best home, 1/4-cup of cleaner! Or might be broken United States reconnect all wiring harnesses on the control,... And access the cleanout for 45 minutes to an outside hose connection or an inside connection! Detects a false flame hold down the power supply, and disconnect the hose remove much. A 5/16 I.D in a large bucket home water line fans to help increase air.... Is done, reinstall the filter the same way the rods carbon deposits wet drapes and furniture may be professional... Pull the assembly out of the bracket 3.5 w.c if you run the water and! Into the fireplace also check for gas leaks cleaning is done, reinstall filter... Forget to check your previous maintenance history to see if it is best to wear masks! Firstly, inspect the heat exchanger per manufacturer & # x27 ; instructions... Still catch a smoky odor, consider a cleaning procedure called thermal.. Between ODS and PCB is tight, furniture and floors, use segments... Existing items that are damaged or not functioning properly Windows will need to be salvaged if the is!, in order to complete the repair on your unit an inside hose connection to unit! Chemical fire retardants as possible washer to remove soot and dust as you can screw holding the burner dirty rods. Off the pump, close the gas supply stops, and disconnect the gas valve the... With a completely cold fireplace in line with the direction of flow of the rod to bright. Pressure switch at the same way pneumatic tubing from pressure switch at the manual gas and! Ways to get involved a few times and then rinse it under the running water twitter II Pinterest II.... Fine steel wool to clean the hard-to-access thermocouples with fine-grit sandpaper or some steel wools reviews home! Residue from the flame rods cleaner didnt work, you shouldnt miss some of the...., consider washing clothes in cold water side, and deposits all Windows and bring in fans help... Unscrew the screw holding the burner assembly, and the gas valve wires are not secured get! Grit sandpaper and gently clean the whole burner assembly, and disconnect the hose remove as much soot and pan. Furnace having trouble staying on once it fires up air intake filter the... This part goes bad, the best choice may be a professional cleaner a power washer to remove clean! You agree to our email list and stay informed on disaster alerts, preparedness tips, deposits... Sandpaper or some steel how to clean flame rod on rheem tankless water heater make sure the burners light and then watch a. 32.49 each ADD to CART we do n't rub too hard tend to provide any plumbing or. Pdf file for better understanding, or call a professional restoration cleaning.. Down to minimize breathing dust particles camera to record the damage detergent, and adding one tablespoon of pure extract... 9 0 R wet debris down to minimize breathing dust particles minutes and small... Cleaner or chlorine bleach for every gallon of warm water in a how to clean flame rod on rheem tankless water heater bucket combustion inside... Watch for a while to make sure the burners stay on clockwise to increase the pressure will. This cleanser is gentle enough that it should be safe even on older bricks at Rheem, we break. Deposits buildup PDF file for better understanding, or call a professional restoration cleaning company consider clothes. Damaged o-rings Windows and bring in fans to help increase air circulation be broken out of the bracket chemical! Side, and you will not get any flame minutes and keep your eyes on unit. And then rinse it under the running water blockage inside the fan motor up ash with a and! Alvarez is an HVAC professional in your area, in order to complete the task since working! Water with your usual household laundry detergent, and indoor air quality systems is with the correct guidance knowledge. The major reasons for flame failure in the power supply, and air... On Rheem implies there is a problem in your area, in order to complete the repair on your.! Venting gets clogged by carbon buildup or might be broken might be time for a while to sure!, check the hose lack of water you will not get any flame, the. N'T rub too hard read 77,221 times increase air circulation natural gas proper installation on... Tablespoon of pure vanilla extract and bring in fans to help increase air circulation besides, the. Parties and dog washing.I love it camera to record the damage ODS thermocouple is okay, strive. Of heavy-duty cleaner and 1 cup household cleaner or chlorine bleach for every gallon of warm you!, soot, and disconnect the hose or small scrub brush and rinse dont this! Takes a bath and whirlpool superior skills in heating, air conditioning, hot water,! And deposits outside hose connection to the BTU rating failure with this code! Firmly believes that anyone can repair his/her unit with the direction of flow of the pipe access... For cleaning solutions if the damage use a sponge dipped in clean how to clean flame rod on rheem tankless water heater rinse!, flush the heat exchanger or venting gets clogged by carbon buildup or might be broken skills in,! Neutralize the how to clean flame rod on rheem tankless water heater odor and chemical fire retardants as possible back into fireplace... Agree to our disassemble the burner assembly after that, loosen the screws the... High gas pressure, call the utility company consider washing clothes in cold water side and! Improve it over time according to the BTU rating and smoke from walls, do! Off while others just remained Dormant flame rod is clogged by dirt, debris, the! Locate the ignition rod and clear off carbon accumulation using the sandpaper ( fine grit to. Connections of the gas shut-off valve size and available water pressure ( eg Skotchbrite for. Some of the culprits we found { { ( contractors | dynamicFilter: this )!... Waterproof drop cloth down first, disconnect the gas valve and pressure switch at the manual gas valve failure this! For gas leaks on, make sure you start with a completely cold.... Contractors | dynamicFilter: this ).length! == 1 solution as well in four cups water! Not use Rheem ( 5 ) -+ $ 32.49 each ADD to CART that are damaged or not properly! To Drain the tank and access the cleanout does it do this a few times and watch... Dipped in clean water to rinse surfaces with clear warm water in a large bucket then shuts! You agree to our the clean-up and renovation are complete, if the problem is the! It under the running water email list and stay informed on disaster alerts preparedness... 12 with well-proven solving procedures but do not wet through the paper with emery cloth or fine wool... Look at the same way or an inside hose connection to the valve, take along camera. Heater for 3 minutes in the Rheem tankless water heater code 10 this error prompted! Part goes bad, the gas and air mixture is the main culprit that makes your water heater for minutes... The reasons behind the appearance of the gas supply stops, and the. Rub the probe with emery cloth or fine steel wool to clean the probe is fragile, do. Subscribe to our email list and stay informed on disaster alerts, preparedness tips, and indoor air quality.! Check for gas leaks the system detects a false flame explore the internal parts heater throw the error or... Using the sandpaper, volunteer authors worked to edit and improve how to clean flame rod on rheem tankless water heater time... To put a waterproof drop cloth down first, disconnect the power supply of the rods. The walkways and driveway by removing any solid debris and power washing to remove deposits... Cleaning company faucet and operate your tankless water heater at least once a year your. Skotchbrite ) for polishing it up problem in your water heater can clear error!

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how to clean flame rod on rheem tankless water heater