Question about Rheem 42VP50FW 50 GallonNatural Gas Water Heater

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Locking out Locks out after two minutes

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Leaking water, losing pressure and locking out - this boiler is 9 years old and recently kept losing pressure and then locking out.


9 yrs old its like anything else depends on maintenance and quality of unit --not safe since if safety doesnt shut down unit much more damage can occur

Sep 21, 2016 | Water Water Heaters

1 Answer

Dhc gets to hot and then locks out. biasi he mk2 28sm


Check ur circulating pump is running and turned up on high, if not working then u need replacment

Oct 11, 2013 | Water Heaters

1 Answer

Rheem Rudd G91-200 will not start. After waiting 10 minutes, it does fire up for about 2 minutes, then it locks out. Bad gas valve?


ive never seen one of these water heaters but most gas apps have a thermo-couple which the ignition flame needs to heat the top of.if the ignition flame is missing the top of this the main gas valve will shut off.it may just be a bit of dirt in the flame director.which aims gas at the couple and main gas burner.hope ive helped.good luck

Mar 16, 2013 | Rheem Tank Water Heater G91-200, 91 Gallon

1 Answer

Is there a reset button for a 6G50NVH-FV-02 hot water heater


Depends on gas control valve, and if cause is overheating high-limit event or FVIR flammable vapor event.
Turn off water heater when using flammable vapors, clean burner parts to prevent overheating.

1) GSW Residential power vent gas water heater with FVIR system:
Some models have intelli-vent gas contol
Others have robershaw gas control with auto-reset

2) Parts manual shows #15 'auto-reset' high limit switch on the blower
http://www.gswpartsonline.com/model/27484
http://www.gswpartsonline.com/schematic/137/view

3) Possible manual:
http://www.gsw-wh.com/pdfs/GPD135NInstall.pdf
Shows resettable lockout page 15
Water temperature must be 120 degree F or lower for reset. Unplug power cord, and then plug back in and wait 15 minutes or 60 minutes depending on gas control valve.
Some intelli-vent controls must be replaced when 195 degree high limit event locks out the water heater.
If high-limit lockout repeats, then gas control must be replaced.
Also clean burner parts, air intake, and make sure flame is clear blue. and not yellow-or-orange.

4) Intelli-vent service manual might apply to your water heater:
http://waterheatertimer.org/pdf/Intellivent-service-manual.pdf

If FVIR flammable vapor event locked out heater, then unplug heater and plug back in.
Immediately press two temperature buttons. Wait for green light to blink. Release buttons.
Page 34 in troubleshoot chart.

5) 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.

Aug 31, 2011 | Fasco GSW Hot Water Heater Exhaust Draft...

1 Answer

Constantly locking out


overheat stat or fan best of luck

Jan 10, 2009 | Water Heaters

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