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Pennco boiler 1504hwd, the pilot is lit and the furnace will light for 10 seconds when call for heat then shut down, I replace gas valve and same problem

24 volts is present at the gas valve, and 24volts at the out put of damper The rollout switch reads ok

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  • 20,122 Answers

Water pump?

Posted on Nov 22, 2014

6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

muttandjeff
  • 359 Answers

SOURCE: Rollout Limit Switch Keeps Tripping

have someone check the gas presure most likely too high no more than 11

Posted on Dec 17, 2008

  • 10 Answers

SOURCE: cozy furnace

The pilot orifice could be dirty causing the pilot flame to be too small. Unscrew the pilot tube at the pilot assembly. The orifice is inside. Remove the orifice and blow it out with compressed air only. Reassemble and see if that fixes the problem. If the pilot flame is set too low, sometimes opening a door will cause a draft to blow out the pilot. If the thermocouple is good and the pilot flame is set properly, the control valve may be bad.

Posted on Feb 05, 2009

farfield
  • 462 Answers

SOURCE: Carrier Furnace 58gs075-1 Circuit board issues...

I cant see your wire diagram but trace the circut your talking about. I believe it usually goes through a series of safety switches. Put your VOM across each individual switch. If you get 24 out from the board the first 1 you check and get 24v is open and not feeding back to the board is out. FIND out why. the switch could be bad but it may be indicating a more involved problem, just look aroeund for chared wires or tell tell signes of flame roll out or if its an open (fuse link) suspect what can cause an over heat condition anythign from a bad board or too long an off cycle before the indoor fan comes on ect. PONIT IS Once you come across the cause may not be the reason.
Please grade me accordingly and if you need more I need more info from you. 

Posted on Mar 02, 2009

heatman101
  • 43501 Answers

SOURCE: Coleman Gravity Floor Furnace need millivolt gas valve & pilot ki

Go to www.grainger.com and look for a "power pile generator" this is a millivolt thermocouple that may be just what you need to make your heater work again

Posted on Nov 12, 2009

  • 39 Answers

SOURCE: I have a Rheem Criterion II Gas Furnace that has

Turn off the power to furnace.
on the last burner to light there is a small metal rod in front of the burner. This is a safety called the flame sensor. It is dirty. Unscrew it from the bar ( 1 Screw) unplug the connector wire from it and clean it with steel wool. it will be kind of burnt. Plut back in place and turn on the furnace to cycle.

Posted on Apr 04, 2010

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1 Answer

Model mgh-055 furnace. Why won't it light?


Pushing down the button causes enough gas to be fed to the pilot to allow it to be lit and remain burning. If nothing happened, the gas valve could be at fault.

Sep 20, 2015 | Heating & Cooling

1 Answer

How to relight pilot on boiler


Every boiler will have manufacturer lighting instructions on the unit, so be sure to read it thoroughly and turn off the gas for 5 min to make sure there is no gas build-up around the boiler. Some have electronic ignition and some require a manual lighting of the pilot. If the control knob has only ON-OFF, it has electronic ignition. Simply turn off the power (at the electric switch on the boiler or at the breaker box) and then turn it back on and it will relight itself when heat is needed) If it has ON-OFF-PILOT, you will have to light it manually. You will have to turn the gas valve knob so the arrow is pointing at the word "pilot" and depress the knob, while lighting the pilot with a lighter or match. Continue to hold the knob down after the pilot is lit for about 30-45 seconds to allow the thermocouple to heat up. If you release the pilot knob and the pilot stays lit, you can turn the knob to the "ON" position and the burner will light. Please be careful. if you are not sure what you are doing, call a professional.

Mar 01, 2015 | Heating & Cooling

1 Answer

Why is gas furnace in igntion lockout due to recycles (8 blinks). likely causes?


Check the thermocouple (heat sensor) on the pilot light...it tells the control unit that there is a lit flame...otherwise, the control unit won't let the gas valve open...does the pilot light stay lit after you've held the button down 30 seconds?...

Jan 01, 2015 | Dryers

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Why wont furnace light past the thermol coupler


There is really not enough information here to go on. If this furnace has a thermocoupling, the pilot will need to be lit manually. Follow the manufacturers lighting instructions carefully. If it still will not light you may have a dirty pilot assembly or a defective gas valve. Modern furnaces do not use a thermocoupling. There is no standing pilot light. Each time the furnace needs to be lit it will be done electronically. Many reasons why it wont light in this case. Safety control could be preventing it from lighting for safety reasons. A bad ignitor, ignition module, circuit board, gas valve, pressure switch, gas supply, induced draft motor, blocked or restricted flue pipe, cracked heat exchanger, dirty flame sensor, ect. ect. ect.

Oct 07, 2014 | Coleman 7990-319p Evcon Gas Furnace...

1 Answer

If the pilot go out on a furnace would gas continue to flow to the pilot , or would it shut off with in a few seconds


The pilot flame heats a thermocouple, so if the pilot goes out, the thermocouple cools and shuts off the gas. It can take anywhere from 20 seconds to 2 minutes for it to shut off. You should hear an audible click when it happens.

Sep 14, 2014 | Heating & Cooling

1 Answer

I have an amana furnace and it will not kick on. When the switch is turned on the furnace will try to run but won't warm up and blow. Does it have a pilot light?? or a reset button??


Try this----turn furnace off at stat and unplug furnace for 10 minutes. Plug it back in, the combustion and blower motor may both kick on for 2 minutes or so or not. Turn t-stat to heat and turn up stat to highest setting. Hurry out to furnace and you should hear the combustion motor(little motor piped to flue) kick on, then wait for a "click" next you should see a glow from the igniton element, then another click, next will be the gas valve opening. If no ignition, it will try 3 times and then lock ur *** out, and just turn on the blower just as a precaution. If you dont see the glow plug glowing after the first click, replace the $20 glow plug and you should be good to go. The glow plugs crack, and this is what breaks the connection. If you gas valve has a knob, and says pilot----turn the valve to pilot, push down on the knob, light the pilot and hold down knob for 2 minutes to heat up flame sensor. Make sure the t-stat is all the way down or off. After 2 minutes of holding pilot knob down, let go and your pilot should be still lit, if it is, then turn gas valve to ON and then turn t-stat up to kick on furnace. If ur pilot doesn't stay lit, get a new thermal couple and replace it-$12 bucks. Good luck and let me know how it went. azeddysac@yahoo.com

Nov 06, 2010 | Heating & Cooling

1 Answer

I need to know how to light the pilot light on my gas furnace.


What needs to happen that may not be obvious is that you have to heat the thermal tube long enough for it to expand and open the gas valve. No heat and the system should shut down flow immediately.

The thermal tube is copper in color and runs between the gas valve and the pilot flame.

So, there is an override. usually spring loaded (heavily) and you press some button or know, this manually opens the fuel valve.....You light the pilot, still holding button......Pilot lights, holding, holding...maybe 10 to 15 seconds.

Then the secret is that you SLOWLY let up on the button, observing the pilot....If it starts to go out, push the button all the way in and continue heating the thermal tube. Soon, you should be able to release the button, and the pilot remains lit. You are good to go, and you can open the gas valve the rest of the way, for normal use. (usually past the pilot position.

Nov 06, 2010 | Fedders Heating & Cooling

1 Answer

Garage furnace (standing Pilot) pilot stops after 30 mins.


it sounds like the afc the fan control not working could be dust on the afc

Jan 10, 2010 | Dayton Gas Furnace Heater

1 Answer

Boiler kept shutting down.Re-starts but drops not keeping pilot.


there ic a low water cut-off on all boilers, also a over pressure switch that can shut down the unit. You should really call a service company out to look at the problem due to the potential of a serius problem with thee unit and see whats is the problem with the unit. Boilers can explode and do allot of damage to a person and property if this happ[ens. GOod Luck

Jan 07, 2009 | Water Heaters

2 Answers

The pilot light for the oven went out.



Relighting Your Furnace's Pilot Light

furnace1.jpg - Turn off the gas at the main valve at your utility box - Wait five to ten minutes for gas fumes to waft away - Get a long match—yes, a fireplace match, not a standard match - Set the gas valve on your furnace to "pilot" - Press the red button as you hold the match to the pilot valve - Keep pressing the red button for 30-60 seconds so the pilot can heat the thermocouple. Release the button and see if the pilot remains lit - If pilot goes out, wait five to ten minutes and repeat the process - Once the pilot stays lit, turn the main gas valve back on - If the pilot light continues to go out, call a technician, who may need to adjust or replace your thermocouple or adjust your pilot

Jul 28, 2008 | Tappan 30IN ELEC IGNa Oven

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