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Pilot light out , has now relighted , however valve not opening

Need to purchase new valve

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  • Scott Magill May 11, 2010

    If you have make and model # you should be able to call a local plumbing company and they should sell you a gas valve.they might have to order it. If not i'm not sure where you are i could find you one form our bosh distributor and if you leave me a phone # i can see if he has the valve and if so i would have him contact you with price and freight and if that works for you you can give him credit card and he will send it to you

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If you have a Model # try this,
http://www.boschhotwater.com/HelpfulResources/PurchaseParts/tabid/837/Default.aspx

Posted on Jan 26, 2009

  • Ron Krysiewski Jan 26, 2009

    This is the web for bosch hot water heaters.

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1 Answer

I light pI lot and it stays lit burners light and reach temp but then burners wont relight to keep temp unless I tap gas valve..is it my gas valve


A lot of pilot lights have a thermal coupler... the pilot light must be lit for several min to open the coupler so the pilot light will not go out.... the newer systems use an electronic ignition and no pilot light and need power to autostart but the coupler may be gone if you are holding that pilot start button down for several min and the pilot light is still going out..ps.. leave it in pilot mode for several min after initial start up before turning turning full burner operation operation operation operation operation operation operation it will snuff out the pilot light.

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Jul 28, 2011 - The pilot light went out on my gas water heater. I followed the ... This could be from a valve not being all the way open. It could also be from a ...

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2her is pilot light on remeha avantaplus boiler


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1 Answer

Whirlpool gas water heater pilot light will not relight


Are you holding the pilot button in long enough. Sometimes it takes a long time for the thermocouple to open. Or you need a new thermocouple, there cheap and easy to replace.

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Rheem rp4036m


Under the gas valve is a removable panel. On models of that era there should also be a second panel behind the first. remove both.

the pilot light should be clearly visible.

If no pilot, turn the gas valve to OFF. wait 60 seconds. locate the tubes from the gas valve to the pilot location. turn the valve to pilot, and with a long match or grill lighter lit, place flame at the pilot location and press down on the pilot button beside the main valve.

pilot should light. If not shut off the gas and call a technician. If yes, hold the pilot button for 60 seconds, then slowly release. Pilot should stay lit. If not, shut off gas and replace thermocouple, start relight sequence over. If pilot stays lit, replace inner cover and adjust temp to 120 deg. If heater fires up, replace outer cover. Done.

If heater does not light, replace gas valve or entire unit. Water heaters have a limited life expectancy, and if my recollection is correct your unit is 10yrs past warranty.

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1 Answer

Reliance 40 gal 32,000 btu pilot light not staying on


Replace thermocouple--its the small copper rod that comes from flame to gas valve--usually 24-36''long be gentle with new one,home depot or hardware will have Rich- ps make sure you hold pilot button for about 30 sec. when relighting

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Have replaced to thermal coup.s and still cant keep the gas lit on mine? must relight it every time i need hot water, have had a tech out twice its now 2 yrs old and were still relighting the thing. no...


make sure coupling is in the flame and is mounted securely at all points.. and that it is tighten tight to gas valve..after that it could be the gas valve???

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1 Answer

Pilot light gone out. How do I relight? Which


In general, large button from gas valve push in & hold 20-30 secs at same time push electronic lighter/ignition button to light pilot. Remember to hold in only gas button. the pilot light heats up a thermo couple [u can see this in the flame] and when hot enough allows the main gas through and the pilot to remain on.
If not then either thermo couple not heated for long enough or
it may need replacing

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2 Answers

No gas going to my water heater


A bad/dirty thermocouple or pilot safety sensor will prevent the main gas valve from opening up and allowing gas to the main burner and will prevent the pilot from STAYING lit.

A bad thermocouple indication is the pilot will light while you are holding down on the pilot start button (thermo-couple is over ridden) but as soon as you release the button the pilot goes out.

If your description of the problem is correct and you cannot even light the pilot even while holding down the pilot light button AND you have followed all the proper relight procedures I would suspect
a dirty pilot orifice or condensation build up in the gas trap.

If you can NEVER LIGHT THE PILOT follow the steps given below: if it lights and goes out when you release the button and you have a nice blue pilot flame the problem is the thermocouple or gas valve (most likely the thermocouple).

If the pilot is yellow and weak looking and the pilot shuts off when the button is released follow the following instructions also as a weak pilot indicates a blocked/dirty orifice and will not get hot enough to activate the thermo couple and presents as a thermocouple problem.

Turn off gas and remove the cap on the bottom of the trap (little stub of pipe that hangs down below the gas line usually on a tee). Drain any condensate out, reinstall cap being sure to seal threads with dope or teflon tape. Then remove pilot tube from the heater and scrub the small pilot tubes orifice. It is very small and plugs easily with debris, rust scale etc. You may need to probe it with a tiny wire to get it clear, if so do not damage or enlarge the hole by going gorilla with it. Once you are sure orifice is clear and clean re-install, turn gas back on and attempt relight sequence, you may need to do it several times to purge air out of system. While you are at it you should also give the thermocouple a good scrubbing, steel wool or scotch brite nylon pads will do just fine for this, you just want to clear it of carbon or any corrosion.

You should get a nice blue flame on the pilot>

If you still cannot get the pilot to light AT ALL you most likely have a gas valve problem and need professional help to diagnose and fix.

Nov 16, 2008 | Water Heaters

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