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Reheem powervent water heater blower runs, igniter on, gas valve opens, burner lights and runs for twenty seconds then turns off.

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Check the wires and make sure they are not touching any metal, or the gas valve, this is actually something I just had happen to a brand new power vent just last week the wires were touching the gas valve and shorint it out i seperated them put electric tape on each one it fired up and stayed on,,

Posted on Jun 28, 2009

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Posted on Jan 02, 2017

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I bought a brand new house and the gas water heater seems to be stuck in vacation mode.


Copy following link to troubleshoot by type of gas control valve, instructions how-to-light-water-heater, including error codes etc:
http://waterheatertimer.org/How-to-troubleshoot-gas-water-heater.html#intellivent
To reset the intellivent gas control, press and hold both arrow buttons for about 5 seconds
This water heater requires pilot flame. Look through site glass and upward (or use mirror) to see if pilot is ON and burning clear blue flame and not lazy yellow flame.
Check that gas shut-off is parallel to gas line:
http://waterheatertimer.org/images/Gas-water-heater-89-valve-2.jpg
Check if outlet has 120Volt, and that polarity of outlet is correct. Power vent water heaters require correct polarity: use circuit analyzer. Check if there is ground continuity between ground and manifold tube (center tube that connects between burner and gas control valve).
Scroll to top of same link to read about FV system and air intake cleaning. Must have good supply of incoming air.
Same page half way down has troubleshoot section for pressure switch testing, blower troubleshoot etc. The pressure switch and blower communicate electrically with gas control thermostat to determine when to release gas to burner where pilot ignites gas, causing poisonous combustion by-product to vent outdoors and help nature.
This model has thermopile instead of thermocouple. Basically thermopile is several thermocouples. When heated, thermopile generates enough current to run small electronic circuit inside gas control valve. This circuitry is very common in hvac units but fairly recent to water heaters. Advantage is error code troubleshoot and more optional controls, for example future response to in-home zwave remote controls and home automation
Get model number and brand from label on side of tank and post question on pro water heater forum with list of what you have tried so far.
http://www.thetankatwaterheaterrescue.com/forums/forum3/
Call plumber to bleed air out of gas line and check gas pressure.

May 28, 2013 | Water Heaters

1 Answer

Pilot doesn't stay lit


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

2) Replace gas control valve.

Mar 02, 2013 | Rheem Water Heaters

1 Answer

Does the vent motor come on when you turn on a powervent hot water heater


`1) Copy following link to troubleshoot by type of gas control valve, blower motor links, pressure switch testing, and other professional resources:
http://waterheatertimer.org/How-to-troubleshoot-gas-water-heater.html#intellivent
http://www.thetankatwaterheaterrescue.com/forums/forum3/

2) Power-vent blower motor can go bad.
Plug motor directly into outlet, or turn on-off switch on, and see if motor works.
Check outlet for correct polarity, and for at least 80% of rated voltage.
Check vacuum switch. Blower creates vacuum, and the vacuum switch detect vacuum, and signals gas control valve that burner sequence can continue.
Gas control valve can also go bad. Wiring etc can go bad.

Feb 04, 2013 | Rheem 50 Gallon FVR NATGAS Water Heater...

1 Answer

I have a PowerVent residential Gas Water Heater the blower runs continuously and the water is not hot enough


Copy following link for troubleshoot resources, including troubleshoot by type of gas control valve.
Brand and model number of unit is located on label side of tank.
http://waterheatertimer.org/How-to-troubleshoot-gas-water-heater.html

Aug 05, 2012 | Water Heaters

1 Answer

I have a richmond 40 gallon powervent water heater. It seems to light, but shuts itself off after about 5 seconds. I am leaning toward the vapor sensor. I know there are reset codes, but have not been...


1) Could be the vapor sensor. That's a suspect.

2) General troubleshoot: clean burner and combustion parts, clean air intake, bleed air from gas line, check gas pressure. Color of gas flame should be clear blue, and flame should be strong, and no combustion by-product dripping back into combustion chamber. No chemicals of any kind stored in air supply. Plenty of fresh air. Water heater in hot attic needs more air. If water heater has igniter, then igniter has to be checked. Flame sensor must be positioned correctly and operational at time of combustion, or sensor will signal gas control to turn off gas. Gas control valve can be bad.
Open following link for possible illustrations and reading.
http://waterheatertimer.org/How-to-install-gas-water-heater.html#troubleshoot

3) Specific troubleshoot begins with identifying gas control valve and reading the service manual.
I think the Rheem/Richmond power vent has intellivent gas control
Open following link to identify gas valve and download possible service manual:
http://waterheatertimer.org/How-to-adjust-water-heater-temperature.html#intelli

4) Take a moment and rate answer:
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.

Sep 04, 2011 | Audiovox Richmond 6G40-36F 6-Year Tall Gas...

1 Answer

Richmond water heater goes into lockout condition, ignition failure and I have to turn the blower switch off then on to get the water heater to work. Its getting to be a everyday thing. Also would like to...


Start-point is to inspect and clean burner parts and combustion chamber, clean air intake, bleed air out of gas line, test gas pressure, test electronic gas control valve, check for venting issues.
As general rule, gas water heater manuals recommend professional service once a year that would cover most items listed above.
To see images, and for more reading and resources, look at your product manual and open following link:
http://waterheatertimer.org/How-to-install-gas-water-heater.html#clean

Richmond/Rheem sells power vent blower assembly that cost about $300.
Your product manual shows part numbers.
http://www.monstermarketplace.com/heating-supplies/rheem-sp12562-blower-assembly-powervent-2
Replacement gas control valve costs $300

Aug 16, 2011 | Audiovox Richmond 6G40-36F 6-Year Tall Gas...

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

The water heater red light keeps flashing rapidly on my Powervent 2 model 41VRP40N. It is not producing hot water and when I read the manual it says it needs more heat. What does this mean. How do I fix...


There are many things to check. The single most important test is for 24V at the gas valve after the ignitor is supposed tp be on. 19 V or less and there is either a bad ground or the ingition control board has failed. (Wire ground problems are a high probablilty)

Here is what the book says:

PROBLEM #1 - HOT SURFACE IGNITOR DOES NOT GLOW RED

(Remember to wait for purge time, 17/34 seconds, on models so equipped).

Possible causes

A. No main power

B. Faulty transformer

C. Faulty thermostat

D. Faulty limit switch

E. Faulty blower interlock switch

F. Faulty hot surface ignitor

G. Faulty ignition control

Solution

Step #1

Perform normal system checks of main power, transformer, thermostat, limit

switch, blower interlock switch, and replace faulty component.

Step #2

With power on and thermostat set at its highest position, check voltage

between "TH" and "TR" on HS780 ignition control. If 24 volts is not present

check output at transformer. If no, replace transformer. If transformer

checks out OK look at other controls in the 24 volt circuit I.E.: thermostat,

limit switch, blower interlock switch. Check for 120 volts between "neut"

(L2) and "120" (L1). Check for 120 volts at the ignitor across "IGN" and

"IGN" terminals on the HS780 ignition module. If 120 volts is present,
replace ignitor. If no, replace the 780 series module

PROBLEM #2 - IGNITOR GLOWS RED BUT MAIN BURNER

WOULDN'T LIGHT

Possible causes

A. Improper ignitor alignment

B. Faulty ignition control

C. Faulty gas valve

D. High inlet gas pressure

E. Polarity reversed

F. No earth ground

Solution

Step #1

Check for availability of gas at gas valve. Make sure the manual valve

upstream of the gas valve and the gas valve are in the full on position. Also

make sure gas is being supplied to the system at the proper pressure, too

high will lock-up the valve.

Step #2

Check proper polarity of "NEUT" and "120" on the ignition control by reversing

the wires, if reversed gas valve will not open. If this does not solve the

problem, replace wires as they were.

Step #3

Check for proper ignitor position.

Step #4

Check for a good earth ground by using a meter connected between L1

and furnace chassis. Should read 120 volts, if no, check and/or repair ignition
ground wire or ignition control mounting screws.
CAUTION POLARITY MUST BE OBSERVED

Step #5

Check for 24 volts at the gas valve terminals; "1" and "2" on a 7200 series,

"M" and "C" on a 7100 series, "TH" and "TR" on a 7000 series. If yes,

check wire integrity or change the gas valve. If no, change the 780 series
ignition module.

That is pretty much all of the troubleshooting required.

Thanks for choosing FixYa,
Kelly

Feb 14, 2011 | Rheem 40 Gallon FVR NATGAS Low WATER...

1 Answer

Kitchen and bathroom faucets do not get hot,hot.Lukewarm at best.


ok the way it works man is the box aka power vent the gas valve wont open until the power vent is open u can manualy open the powervent witch will open the gas valve to turn on the piolt light and in about 30 sec the main burner will kick on now if the powervent is opening the the pilot light isnt lighting then u need to replace the thurmole cuple witch sences the pilot light is on if it doesnt see the pilot the it shuts the gas valve off so it doesnt fill ur house with gas

Dec 28, 2008 | Bosch AquaStar 125FXKIT-NG 125FX Natural...

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