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Heater kicks on then the pilot lights the gas after about 15 seconds the gas shuts down but the blower continues for a while as it should? replaced filter blew out internals with compressed air works once in a while but not often.

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It sounds like either your main burner flame sensor is going bad or you may have a partially blocked chimney and when the combustion gases heat up there is not enought draft.

Posted on Nov 26, 2008

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My gas Dearborn model#drc40mc pilot light stays lit.when I turn to on position and heater comes on , it burns high , even on low number setting, then after few seconds goes out taking pilot out also


clean/replace the flame sensor. Your heater doesn't recognize that it has lit and continues to try and light the gas. when the sensor doesn't tell the 'brain' it lit? it shuts down the gas for safety reasons.

Oct 19, 2014 | Heating & Cooling

1 Answer

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.

Dec 04, 2013 | Water Water Heaters

1 Answer

Need to light pilot light


You need to turn the knob on the gas valve (inside the heater) to the "pilot" position. Then, while holding a flame over the pilot assembly push down on the knob.

Gas should come out of the pilot and ignite. Continue holding the knob down for 10-15 seconds. Release the knob and the pilot should stay lit. If not the pilot generator may need to be replaced.

Turn the knob to the "on" position, close the heater and turn the heater on and turn the thermostat to hot. The heater should fire. If it does not fire and the pilot goes out, that may also indicate a pilot generator problem.

Nov 20, 2013 | Teledyne Laars Pool & Spa

1 Answer

Weil McLain Clicks and then burners shut down


it needs a new thermal coupling ,this tell the gas valve to open if it goes bad your heater shuts off for safety reasons.

Nov 29, 2012 | Watches

1 Answer

Pilot light keeps going out


pilot light keeps going out! more then likely its the thermal coupling doing this. if bad it shut all gas to heater for a safety measure. just shut power off, then turn gas off and replace it. then you should be ready to go. to relight heater hold down on gas vavle knob in the pilot position, hold down and light it at the coupling where gas comes out. when it is lit, continue to hold down for 60 seconds. release knob very slow. then if its lit, turn to the run position. if flme goes out, wait at least 5 minutes to expel the gas fumes and turn to pilot and try again. good-day !

Mar 31, 2012 | 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

My lennox furnace kicks on, then it shuts off


It should have a diagnostic set of leds on the board, with the code list on the door and the control board itself. If it get to the pilot stage and the shuts down its most likely the gas valve. You can check for continuity from mv to c on valve, you should have it. Then with a valtage test from mv to a ground or common as you here the next click of a relay on the board after the pilot has had a few seconds.

Mar 12, 2009 | Washing Machines

5 Answers

ProCom blueflame heater pilot light difficult to light


You pilot ignator is plugged.I take a small wire and run it in the hole every year and I also Blow the heaters out real well with air.THis has always worked far me.I need a phone number or email address to Pro Com because i'm having problems with a new one i just bought and I can't find the papework.Could you pleas eif you have this info email it to me
Good Luck
Jay
jaycalk@yahoo.com

Jan 07, 2009 | Procom (177653) Utility Heater

2 Answers

Heater shutting off


this type of heater is very sensitive to the state of the pilot since it uses a Renni type thermocouple to sense a low oxygen situation. Usually the pilot needs to be cleaned. If that does not restore operation only other thing to do is try replacing the thermocouple.
A low pilot will usually hold for a few minutes so I would expect that you have a bad thermocouple.

Nov 17, 2008 | Desa International Blower Glow Warm Wall...

2 Answers

Blower works but no heat


If in fact you have the above listed furnace, you do not have a pilot but electronic ignition. You will need to remove the front cover on the furnace, tape down the door safety switch and then have someone help you by turning up your thermostat to a very high setting. Watch and listen inside the furnace. There should be some blinking going on at the control board followed by a small blower fan starting up. Then after 10-15 seconds there should be a click followed by an orange glow viewed thru the viewing window to the burner section. In a few seconds the gas valve should click and the burners will ignite. There is a safety switch that will sense flame and then keep the gas going to the burners. If it does not sense it, it will shut it off within 10 seconds. If all is well so far, your blower will turn on in about 90 seconds after flame. There is a diagnostic code chart on the back side of the access door if you get an error code (blinking) on the control board.

Always check little things like air filter, condensate drain and broken or loose wires.

Nov 05, 2008 | Goodman GMS90703BXA Heater

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