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How do i replace the thermocouple rheem coppermatic model 77/115l

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Shut the gas off, remove all three lines off the bottom of the control box and pull them out of the control box. then you should be able to remove the whole burner assembly. if it's sealed combustion unit you will have to remove 4 nuts around the faceplate to get the burner and flash guard out. then get your new thermocouple and throw it on and put it all back together. just hand tight on the lines going into the control box you dont need to kill it. and walla your all done!

Posted on Aug 02, 2009

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Posted on Jan 02, 2017

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How to replace the self igniter on the super flue gas water heater


1) Copy following link for general steps how to take apart combustion parts:
http://waterheatertimer.org/How-to-replace-thermocouple.html

2) Copy following link for troubleshoot-igniter pdfs:
http://waterheatertimer.org/How-to-troubleshoot-gas-water-heater.html

3) Newest gas water heaters require replacing whole combustion assembly.
Older models can be taken apart and igniter replaced separately.

4) Unfortunately Rheem does not post service manuals, or show basic service steps in their product manuals. Parts vary by model number

Feb 13, 2013 | Rheem 40 Gallon FVR NATGAS Low WATER...

1 Answer

Richmond gas water heater need reset code


Intellivent gas control can be reset on some units.
Honeywell does not make Intellivent.

1) Copy following links:
http://waterheatertimer.org/How-to-troubleshoot-gas-water-heater.html#intellivent
http://waterheatertimer.org/How-to-repair-Rheem-FVIR.html
http://waterheatertimer.org/How-to-replace-thermocouple.html

2) For Rheem, there is a glass vial that is broken if FV system tripped.
This requires new glass vial, which Rheem may send depending on model.
It might also require new parts such as gas control valve, and/or replacement FV sensor depending on model.
Some models require full replacement of water heater.
Each model can be different.

3) Rheem does not post service manuals, and says customers should call service technician.
Combustion parts are held in place with tamper-proof screws and combustion door gasket might need to be replaced when removed from front of unit.

Jan 29, 2013 | Water Heaters

1 Answer

How to take off the thermal couple off a ge sg40t12txk


1) Copy following links:
http://waterheatertimer.org/How-to-replace-thermocouple.html
http://waterheatertimer.org/How-to-repair-Rheem-TRD.html

2) GE is made by Rheem, so air intake screen is located below the combustion burner, as is the TRD (thermal reset device).

3) Modern gas water heaters, the FVIR, or FV system will trip when air intake gets clogged with dust.
This will slow venting of hot combustion gasses, except burner is still burning same amount of fuel. Overheating occurs, and that trips FV system.
Other brands require cleaning air intake screen and possible replacement of gas control valve, or FV sensor, etc. Each model is different.
Rheem_GE overheating will trip TRD, and glass vial breaks, causing air intake to close. Glass vial must be replaced, and possibly the gas control valve replaced.

Dec 18, 2012 | Rheem 36" Water Heater Thermocouple Kit

1 Answer

Rheem water heater flashes seven times ,it is in lock out mode


You have Honeywell electronic gas control valve, and error code is 7 flashes.
Probably you have power vent model.
One manual from different company says: "Reset gas control using on-off button on front of control, replace flammable vapor sensor, replace gas control thermostat.
But with Rheem you also need specific steps: Remove gas burner and look for broken glass vial, and then blow out arrestor screen air intake using compressed air, clean burner parts, check for unobstructed venting, you will need new glass vial from Rheem depending on year and model number of water heater that appears on label on side of unit, or they may not have a repair kit for that model, and you might need a new gas control valve depending on model and how extensive problem was
You have Rheem water heater.http://waterheatertimer.org/How-to-repair-Rheem-FVIR.html
http://waterheatertimer.org/How-to-troubleshoot-gas-water-heater.html#intellivent
http://waterheatertimer.org/How-to-replace-thermocouple.html

Sep 28, 2012 | Rheem 50 Gallon FVR NATGAS Water Heater...

1 Answer

Have to keep lighting water heater


Clean air intake. Change thermocouple.
American Standard appears to be Bradford White or Rheem product from the one image that appears on the AS site.
Air intake located on side of unit funnels air to arrestor screen located under the combustion burner.
Remove burner and blow out screen with compressed air.
If this is Rheem product, then also inspect for broken glass vial that indicates high-temperature FV event, which might also require other parts to be replaced.
http://waterheatertimer.org/How-to-troubleshoot-gas-water-heater.html#pilot
http://waterheatertimer.org/How-to-replace-thermocouple.html
http://waterheatertimer.org/How-to-repair-Rheem-TRD.html

Sep 27, 2012 | American Standard 40 Gallon Natural Gas...

1 Answer

Believe I need to buy a Rheem Water Heater Thermocouple. Where do I find them?


If thermocouple is from ordinary tank-type water heater, then it is a generic part with different lengths 15" 17" 21" 24" 30" available at hardware of home center.
I suggest reading manual for installation information, advisories, and required maintenance.
http://waterheatertimer.org/pdf/Rheem-Ruud-water-heater-parts-guide.pdf
http://waterheatertimer.org/How-to-install-gas-water-heater.html#clean

There are good utube videos on replacing thermocouple.
Tip of thermocouple has to be positioned in the pilot flame.
The heat on tip of thermocouple causes millivolts of electric current that travel back to the gas control valve and the electrical signal causes gas control valve to keep gas flowing down the pilot tube to the pilot light.
If pilot light blows out or if pilot tube is clogged and needs to be cleaned, or if gas valve has gone bad, then tip of thermocouple cools down and electric signal back to gas control valve causes gas control valve to shut off gas going to pilot.

When attaching thermocouple to gas control valve, it is finger tightened.
Be careful and do not cross-thread thermocouple. Just use your fingers to start the nut.
Finger-tighten thermocouple and then add 1/4 turn using small wrench.
The end of thermocouple has a small piece of insulation that isolates the electric current from body of gas control valve. If thermocouple is overtightened, the insulation is crushed, and electrical current millivolts short out and no signal reaches gas control valve, so gas control valve keeps gas turned off to pilot tube.

If this is a tankless water heater, then open following link with troubleshooting resources and contact information for Rheem.
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html

Upvote the help.
And take advantage of fixya expert assistance live.
For a price, expert works with you while you work on water heater or any do-it-yourself project.
Fixya is always less expensive than a service call.

May 20, 2011 | Rheem 36" Water Heater Thermocouple Kit

3 Answers

I have a Rheem PG50T9A gas hot water heater. We had hot water this morning. When I came home the pilot light was out and won't stay lit. Any ideas?


Hopefully just the thermocouple. The thermocouple is the small rod right next to the pilot light. The flame on the pilot heats up the thermocouple and keeps the gas valve on. You can replace it yourself. The thermocouple will be connect by a small nut on the underneath side of the valve, and you will have to pull the thermocouple out of the pilot assembly. Not an expensive part, you can get it at any hardware store. Hope this helps you .

Apr 21, 2011 | Rheem 50 Gallon FVR NATGAS Water Heater...

1 Answer

Model: 21v30-7p, pilot wont stay lit


You need a new thermocouple - or maybe the Pilot flame is not lined up properly to the thermocouple? The thermocouple is a "sensor" that is heated by the flame - which in turn keeps the gas supply to the pilot light on. It the pilot light goes out, then the thermocouple no longer "senses" the heat of the flame, so it turns the gas supply off to the pilot to prevent buildup and explosion.

Sep 02, 2010 | Rheem Water Heaters

1 Answer

I have a Rheem 50 gal. natural gas water heater mod#21V50-6A followed all instruction and can't get pilot light to stay lit.


The most common reason a pilot light will not stay lit is a bad thermocouple. How old is the water heater? If the pilot light will light, but then go out when you release the safety button, that is a sure sign the thermocouple is bad. You can buy a replacement thermocouple at your local home improvement store. There is a small chance that the control valve has gone bad, but that is highly unlikely.

Feb 23, 2010 | Rheem 50 Gallon FVR NATGAS Water Heater...

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