Rheem Water Heaters - Page 3 - Recent Questions, Troubleshooting & Support

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I have a Rheem m441506191 50 gallon water heater. It had a Honeywell wv8840c1406 gas control with a thermopile (not a thermocouple). The pilot wouldn't stay lit, it turned out the thermopile was giving 140 of the needed 350 millivolts to maintain the pilot. I replaced the thermopile/pilot assembly and it gave 560 millivolts. The pilot continued to not light. After more troubleshooting, including checking the ventilation, I determined the gas control valve and thermostat needed replaced. I installed a Rheem sp14270g gas control, which has a thermocouple. The pilot still won't stay lit. The flame looks good and the thermocouple heats up. I cannot find any solutions. Why won't the pilot stay lit and what can I do to fix it?

The system I am familiar with uses a vapour pressure type thermocouple and if the pilot remains lit the thermocouple is working as it controls the gas for the pilot and the burner at the same time from the same source - if the gas control is ok and the flow isn't prevented by the thermostat then if the pilot remains alight, there should be a flow of gas and the burner should light - unless the gas jet is blocked or something else, some other type of blockage is preventing the flow of gas to the burner... I suggest you check the gas jet and the flow of gas to it...
12/31/2020 9:05:49 PM • Rheem Water... • Answered on Dec 31, 2020
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Rheem water heater rtg95dvn keeps blowing 3 amp fuses

Not for sure what your root cause was and I know it's a little late but I just suffered this same exact scenario on the same water heater. Storms came through, power went out, power came back on and the water heater keeps blowing the 3 amp fuses now. I removed all the cables and plugged them back in one at a time. When I plugged in the Fan Motor connector the fuses blew. Installed new fuses with the connector out, the Fan Motor was putting out 150 VDC through the connector port (on main control). I pulled the control from the unit and Q1 is visible blown and disintegrated on the control board. Obvious control design issue. I've ordered a new control and will put a surge protector on the heater now when the new control comes in. Very disappointed that this was not caught in controls testing within the manufacturers facility. New control is not very cheap. Half the cost of a new Heater. Hopefully the Fan Motor survived the high voltage with the fuses blowing. I'm putting this here for anyone else that suffers the same issue on this water heater or the Richmond equivalents as they use the same control. rheem-water-heater-rtg95dvn-keeps-lig2cnfgd44b3pejpipwueov-2-0.jpg
11/1/2020 6:16:06 AM • Rheem Tankless... • Answered on Nov 01, 2020
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Basement flooded, combustion air flap employed.any

Hello,
So you had water enter the burner combustion chamber through the access panel. That can be cleaned out, but was the gas control valve just above it on the water heater submerged under water as well? If so, do not use it or try to repair it. It is unsafe to use and the control must be replaced. Now whether or not it's worth while to replace just the gas control, depends on the age and condition of the water heater itself. Also, is this covered under your home owner's insurance policy? Damage from flooding is usually not covered in a standard policy,unless you had it added specifically. But it is covered if you had a water line break which resulted in the water damage. You should find out before you proceed with changing the control. We had the latter occur and our insurance co (State Farm) covered everything from clean-up to replacement). Hope that helps. Douglas
10/21/2020 11:10:00 AM • Rheem 40 Gallon... • Answered on Oct 21, 2020
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On my Rheem tankless water heater I am intermittently getting an error code 11. I called a repair man out who did not seem to know much about the water heater and felt the issue was related to a venting valve being stuck and manipulated it by moving the pins on the outside of the pipe. The most he did was take the cover of the water heater off but seemed puzzled when another error code came up when we tested the water and that new code was for a misplaced cover. Because of the intermittence of the failure my water heater did not pull up a code after he manipulated the pins of the valve and considered it fixed. However it is still intermittently failing. Any ideas what this may be?

Which type of tankless water heater do you have? The Rheem Professional Prestige gas tankless water heater gives error 11 if the gas valve isn't fully open. See the manual here: https://s3.amazonaws.com/WebPartners/ProductDocuments/C5D97959-73D7-4482-9242-83DCE78310C8.pdf . For this water heaters, the first option to check that the gas valve is fully open. If the valve is fully open at the water heater, you may need a technician to check the regulator for your gas line. Every once in a while, I have to contact the gas technician from my local propane dealer to adjust or replace the regulator. It's time to call when the gas appliances have ignition problems due to dirt in the regulator. On another model, https://s3.amazonaws.com/WebPartners/ProductDocuments/7E641D99-EAB1-49E9-8F8A-53AA99F8E0BE.pdf, the error 11 indicates that the unit could not ignite after 10 tries. This can result from low gas pressure (the regulator issue I noted above), a problem with the igniter (power or oxidation on the spark igniter), an issue with the gas valve wire, an issue with the flame detection sensor or the main control. I hope this helps. Note: I've found a number of appliance repair technicians who don't handle gas line problems. Cindy Wells
10/20/2020 4:31:20 AM • Rheem Water... • Answered on Oct 20, 2020
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Paloma water heater error c7 13

I have a code showing C7 13 the heater runs for about 2 to 3 mins then shuts off. Any suggestions?
10/17/2020 3:09:56 PM • Rheem Paloma... • Answered on Oct 17, 2020
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RHEEM Tankless water heater ECO180DVN Model - getting a code 11 but can get the unit working by draining a small rubber tube connected to the front section of the gas valve

Rheem fault code 11 - No ignition. Check to make sure there is gas to the unit and that the pressure is correct. Ensure the ignitor is operational before calling for service. Rheem fault code 16 - This is an over temperature warning which could indicate a possible clogged heat exchanger. https://www.horizonservice.net/how-to-troubleshoot-tankless-water-heater-error-codes/ https://www.youtube.com/watch?v=QsmIyYexRzM
9/11/2020 4:24:58 AM • Rheem Water... • Answered on Sep 11, 2020
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Why is my Rheem retex--27 tankless water heater not getting hot

also check water flow if not enough will not light
9/11/2020 4:21:29 AM • Rheem Water... • Answered on Sep 11, 2020
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I just put a Rheem rte 13 tank-less water heater. Why red light activators stay on even hot water is off?

power correct --water flow /pressure correct -filter clogged if just put in go thru the troubleshooting list in owners manual https://www.manualagent.com/rheem/tankless-electric-rte-13/use-and-care-manual
4/19/2020 1:27:56 PM • Rheem Water... • Answered on Apr 19, 2020
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Pvs50-36fv just looking to find the manual on-line

Google,put model number into search followed by " user manual " , should help you find the instructions.
1/22/2020 4:37:23 PM • Rheem 50 Gallon... • Answered on Jan 22, 2020
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We bought a Rheem Performance 40 Gal.40,000 BTU NG PowerVent TankWaterHeater 2mnths ago 7the WELL water smelled bad.rod replaced.worked for 2mnths, now it smells again.Any additional advice?

It is unlikely to be the hot water heater causing the smell, it is more likely the input (the well water) having excess sulfur, bacteria and/or organic material Because it sits in the tank longer, the smell accumulates. If it is a bacterial source, the hot water tank may be a breeding ground for anerobic bacteria. Draining and doing a disinfect with Hydrogen Peroxide (H2O2) is the easiest and safest step http://www.waterheaterrescue.com/Troubleshooting/stinky-water-in-hot-water-heaters.html https://www.stevejenkins.com/blog/2015/02/fix-rotten-egg-smell-in-your-water/
11/13/2019 6:10:14 PM • Rheem Water... • Answered on Nov 13, 2019
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I have a paloma tankless water heater about 3

I had the same problem with my Paloma a year and a half after installation...contacted Rheem customer service (800-432-8373) and they recommened a local installer in my area. The technican diagnosed the problem as the "flow control valve"; he managed to get Rheem/Paloma to cover the part under warranty...I only had to shell out the money for the install.
10/29/2019 6:12:05 PM • Rheem Paloma... • Answered on Oct 29, 2019
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Water heater is not working. The red indicator light is solid red with no blinking on my Rheem PowerVent 2.

Check the flame sensor is clean and the connection is good
10/26/2019 2:06:56 PM • Rheem Water... • Answered on Oct 26, 2019
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What is the difference between Rheem part number sp14218a and sp14218 b .?

What is the part ??
10/23/2019 1:32:28 PM • Rheem Water... • Answered on Oct 23, 2019
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I have a Rheem 42v50-36pf water heater that is on propane. The water temperature fluctuates . Some days its hot others just warm. I have drained it and get no sediment.

i don't know. be very careful when working with propane. if this happened to my freezer, i'd guess it was the thermostat. if safe and accessable, consider turning off fuel supply. if adjustable, mark where thermost's setting is. turn thermostat down and up or hot and cold a few times. set the thrmostat at a few degrees lower than the mark.. restart the heater and see if tank will now provide constant hot water.
10/12/2019 8:32:25 AM • Rheem Water... • Answered on Oct 12, 2019
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What does error code CL mean

i think its "child lock" meaning u need to reset it somehow to clear it.
10/2/2019 6:03:04 PM • Rheem Water... • Answered on Oct 02, 2019
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Water heater is not working

it is possible it needs a reset. 1. turn off the breaker to make sure there is no power to the unit 2. open the top cover and there will be a red button like this http://www.tonyhoover.com/wp-content/uploads/2010/03/water-heater-upper-thermostat.jpg push it. It may have a plastic cover over or around it, leave this in place it is insulation for the wiring.
close it up carefully and then turn on the power and see what happens.
9/19/2019 10:54:27 PM • Rheem 40 GAL... • Answered on Sep 19, 2019
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I am in pensacola fl, where can I find a flame rod for my Rheem RTG-66DVN water heater

any plumbing or maybe even an a/c supply should or can get it. there cheap
9/9/2019 12:37:15 PM • Rheem Water... • Answered on Sep 09, 2019
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I AM REPLACEING MY 4500 W WATER HEATER WITH A RHEEM 5500 W HEATER. I HAVE A 30 AMP BREAKER AM I OK WITH THAT.

The 30 Amp breaker should be okay for the 5500W water heater. The Rheem Performance Plus 50 gallon water heater, XE50M09EL55U1, requires a 30A breaker for 208V and 240V electrical systems (single or 3 phase wiring). See pages 8-9 of the manual: https://images.homedepot-static.com/catalog/pdfimages/e2/e20f6bed-6a61-43a8-b7d9-d9dd2dae94e1.pdf . You should check the installation manual for your new water heater, just in case. I hope this helps. Cindy Wells
7/27/2019 11:18:08 PM • Rheem Water... • Answered on Jul 27, 2019
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