Question about Rheem 50 Gallon FVR NATGAS Water Heater 6YR 22V50F1

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The pilio light is on but he main gas valve doesn't want to come on. It happens randomly. After reseting it comes on and may work for a day and is down again. Model: RHEEM; PVS 50 Ser. 0306J10987

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I just had the same experience and was told to tighten the Thermal couple connection at the control. The thermal couple is the copper line that runs to the pilot light and senses flame. When there is no flame it will not allow gas through the valve. I'm told that sometimes it is not tight enough and the user will suffer the circumstances that you describe here.

It can be tightened with a pair of channel locks or a small adjustable wrench.

Posted on Mar 26, 2011

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1 Answer

How to light pilot


Assuming it is not an electric spark, but is really the type with a real pilot light:
Move the gas control on the water heater to PILOT
Push the valve handle on the gas controller down to start the gas flowing to the pilot.
Using a match, light the gas at the pilot while holding the gas controller valve handle down.
Keep the gas valve handle depressed for 30 seconds after lighting.
Release the gas controller vale handle - the pilot should remain lit. If not, repeat lighting one more time
Once the pilot remains lit, turn the gas controller valve to On - this should cause the main flame to come on.

NOTE: DO NOT LIGHT A MATCH IF YOU SMELL A HEAVY CONCENTRATION OF GAS - CALL A SERVICEMAN AND VACATE THE AREA

Dec 03, 2012 | American Standard Water Heaters

1 Answer

Rheen PVW50 Hot Water Heater Making Buzzing Noise and Doesn't Light


Why is it always Rheem problems?
Every water heater problem is Rheem.
And Rheem doesn't post any service manuals, like the other two big manufacturers, AO Smith-American, and Bradford White.

Copy following link for troubleshoot by gas control valve.
http://waterheatertimer.org/How-to-troubleshoot-gas-water-heater.html#intellivent

Scroll up and find pressure switch heading among links.

You can install gas control valve yourself.
http://waterheatertimer.org/pdf/How-to-replace-water-heater-gas-valve.pdf

Sep 06, 2012 | Rheem Water Heaters

1 Answer

The pilot is ok.the main burner does not come on


First check and see if the dial on the gas valve is on the ON position. Next turn the thermostat up all the way.if it does not come on then, this sounds crazy, but, tap the gas valve twice lightly with the back end of a screw driver, sometimes a spec of dirt can clog the gas valve and this releases it. if it still doesnt come on, you need a Volt Ohms meter or multi meter, set the meter to millivolts, you want to connect the 2 leads from the meter to the terminals on the gas valve that the 2 wires from the pilot generator, located next to the main burner underneath tank. turn the meter on and the millivolts should read a minimum of 400 milivolts, if lower, replace pilot generator. If still doesnt work, replace gas valve.

Aug 31, 2011 | RTO Water Heaters

1 Answer

We have a 10 year old Rheem PVW50 Power Vented water heater that works on gas. The last couple of days it has been giving out problems. It will not maintain hot water in the tank. I restarted it and...


The igniter is glowing, but no gas ignites?
So either the gas is entering combustion chamber and not lighting because igniter is positioned incorrectly -or- no gas is entering combustion chamber because air in gas line or bad gas control valve thermostat or gas line is clogged.
When you 'restart' the water heater, somehow you are getting gas to the burner and it is igniting.
I'm not sure what the flame switch is. If the ECO was cut out, the gas control valve would not send power to the igniter and there would be no gas available for 'restart.'
I would adjust location of igniter, check if gas is entering combustion chamber, clean the gas line to the burner, and bleed gas line for air, but another suspect could be the gas control valve thermostat.
Identifying numbers are usually on side of gas valve.
Open following link to help identify gas valve:
http://waterheatertimer.org/How-to-adjust-temperature-on-water-heater.html#intelli
http://waterheatertimer.org/How-to-install-gas-water-heater.html#clean

Jul 02, 2011 | Rheem Water Heaters

1 Answer

I have a Whirlpool gas water heater and the pilot light went out. When I light it it goes out as soon as soon as I release the RESET button.


if it keeps going out, its more likely the thermal coupling is bad and needs replaced. if the coupling goes bad it shuts gas of to heater as a safety precaution. it does not let any gas come out of the main regulator. it works on the principal when the end gets hot it opens the gas valve and lets gas through to burner. replace coupling. have a good day !!

Apr 09, 2011 | Water Heaters

1 Answer

Pilot light goes out randomly on 6 year old Bosch Aquastar tankless water heater. When I restart it it may work for a day then goes out again.


The pilot light can be blown out just by the main gas being ignited especially if the pilot flame is a little weak. Some times a bit of grit gets into the pilot nozzle reducing the flow and hence a weak flame. Try cleaning the piolt jet nozzle with a fine piece of wire. You may have to dismantle the jet nozzle to clean it properly.

Aug 30, 2010 | Bosch AquaStar Indoor Natural Gas Tankless...

1 Answer

Rheem/GE power vent water heater, pilot lites, but not the main


I would check to see if the switch on the blower pressure sensor is closing...When T-stat calls for flame, the circuit starts the blower, then the blower pressure sensor switch closes to allow the main gas valve to be powered.

Jul 08, 2009 | Water Heaters

1 Answer

Trying to find out if my new hot water heater is shot


The red button you pushed on the hot water heater was probably what is called a "piezo-electric" ignitor. It's normal for it to make a snapping sound and then pop back out. It sounds like you just lost the pilot light.

That being the case, do this:

Turn the gas valve on the hot water tank to the "off" position - it should be silver in color and down low on the tank. You may have to push it down to do this
Leave it off for about two minutes or so
Rotate the valve back on to the "Pilot" position
Hold down the pilot gas valve - it should be red and immediately to the left of the main gas valve.

While holding the pilot gas valve down, push the other red button to the right of the main gas valve - this is the piezo ignitor - push it several times in a row quickly

The gas pilot light should light
You can stop pushing the ignitor now, but continue to hold down the gas pilot valve (the one just left of the main gas valve). Let this valve up after about another 20 seconds or so.

Now rotate the main gas valve to the "on" position

Listen carefully - you should hear the main gas light and feel heat at the water heater flue outlet on top - don't touch it with your hand - you could get burned

If no luck, repeat the process until the heater re-lights

TIP - the instructions for re-lighting the pilot should be written on the heater

Just a potential diagnosis - the thunder clap, if as close as you describe, may have been intense enough to create what is known as a "draft inversion" that may have snuffed out your pilot light. The air pulse came down the flue pipe.


Apr 08, 2009 | American Standard Water Heaters

1 Answer

I have a raypak heater with robertshaw 7000 gas


Remove the wires from the gas valve and call for it to light. While it is trying to light, take a voltage reading on the wires that go to the valve. If it is sending voltage to the valve and it won't energize the valve then the valve is defective. Just make sure that the valve is being told to come on. It could just be a limit switch. Double check the manual reset limits also before doing the vavle check. Hope this helps.

Mar 21, 2009 | Water Heaters

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