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When the gas boiler comes on the pilot light goes out after about 60 seconds then reignites itself a few minutes later.

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This is caused by a weak flame sensing device. As main burner ignitin occurs this creates a roll out condition , when this condition occurs it derives oxygen from the pilot light thus reducing flame signal and causing the pilot to drop off momentarily.

Posted on Nov 15, 2008

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1 Answer

I have a reznor heater in my garage I have to keep lighting the pilot it wont stay lit.


i have an ole reznor in my garage been workiing for ten + years no problems , mine is gas , the pilot light does go out after it switches to main burner like ten seconds later , but does light back up when thermostat shuts main off ( i had to go look to make sure) not a real big flame maybe like an inch or so , has a spoon shaped air shield around it , maybe yoours is missing ?

Mar 02, 2015 | Heating & Cooling

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Boiler lights and runs Ok when first switched on, when it goes to reignite, it just keeps clicking (sparking) Pilot lights but boiler will not fire up.


This isn't very helpful at present.
What's the make and model of boiler?
Do you mean after the first (successful) ignition subsequent ignition attempts fail?
What happens if you turn the electrical power to the boiler OFF, then back ON ?

Feb 07, 2013 | Baby Gear

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Nov 13, 2012 | Heating & Cooling

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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

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I have a Maytag Model PGR5710BDW gas range. The bake igniter lights up and the gas ignites after 2 minutes or so. Then the flame goes out after a few seconds and then reignites and this cycle repeats ...


Hello,

Yes it is the igniter its weak and can not stay within normal range to stay on allowing the flame to stay on.

The part number for that igniter is 74007498 it can be purchased at your local appliance parts store on online at
searspartsdirect.com
repairclinic.com
apwagner.com
apdepot.com
partselect.com

GENE

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1 Answer

How do i reignite a worcester 24i combi boiler ?


I looked up this unit for you and found out it is a hot water system. She needs to get to the main gas valve to light the pilot. This unit has what is called a thermocouple on it that keeps the pilot on, even when the boiler shuts down. Its just a matter of lighting the pilot light. There should be a metal plate with the directions on it at the gas valve to lite it. You will have a knob, more then likely red or black in color on top of the valve. It will say on, off, and pilot. It should be in the on position now. Turn it to pilot. Have some matches with you and a flashlight if you can. You will need to look back into the burner area to where your pilot light will be. The thermocouple is a copper colored tubing that runs right back to the pilot, as it has to get hot from the pilot flame to work. To start, depending on how far back you have to reach with the match, you may need to use a piece of solid cardboard rolled up, a small piece to light it and reach in. Turn the knob to pilot. Now, push down on the knob and hold it down. This lets gas get back to the pilot, so you must keep it down and light it at the same time. Once it is lite, you have to hold it down for at least a minute. Slowly release it, very slow. The flame should then stay on. Once it is on, turn the gas knob to on. With the thermostat set to come on, it will fire up and heat the water. If the pilot will not stay lite after you hold it down for 1 minute, and keeps going out, the thermocouple will need to be replaced. It is the copper line that screws into the gas valve and goes back to the pilot. You can get them at any hardware store for around $6.00. Maybe you can help her install it. It is very simple to do. I believe the pilot just blew out and she will need to light it. Just follow what I have told you, and she will get it lite. Good Luck to you.

May 25, 2011 | Bosch Water Heaters

1 Answer

My dad has a valliant boiler VP4 ZE15 IT IS AROUND 3 YEARS OLD IT ISNOT IGNITING I HAVE TURNED PRESSURE UP AND HELD THE BUTTON IN FOR A MINUTE. i CANNOT FIND WHWERE THE RESET BUTTON IS TO TRY THIS PLEASE...


Turn the power off at the wall , wait 60 seconds and the boiler will automatically reset.

Modern boilers are complex re safety and the boiler will only start if the exhaust fan is running and is up to speed .

The vacuum caused by the fan trips a switch and allows ignition to continue

If the pilot light does not come on it does not warm up the thermocouple which turns on the main gas valve.

If you go to the Valliant website they will supply you with a user guide

Sep 28, 2009 | Water Heaters

2 Answers

I have a ravenheat boiler that i have no idea hoe to reignite


you need to reset it but if it dont light you prob have rectifaction fault

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1 Answer

Whirlpool gas dryer heat goes on then off then on again


should have electronic igniter that light gas after turned on.

Jan 03, 2009 | Kenmore 73952 Gas Dryer

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