DIY Home Improvement, Remodeling & Repair Forum

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-   -   furnace (http://www.houserepairtalk.com/f8/furnace-8673/)

racfan54 02-17-2010 01:49 PM

furnace gas pilot woun't light.
 
have a 1997 heil furnace pilot woun't light replaced thermocouple still nothing any ideas??????

Wuzzat? 02-18-2010 09:52 AM

If you post a schematic & parts list we can all help you troubleshoot in a more nearly logical manner.
Then the likelihood of changing out parts that are not causing the problem is greatly reduced.

Do you have a DVM?

Was it a 28 mV t'couple or a 750 mV t'pile or other? If it's 750 you possibly should see 3 ohms looking into the leads that feed the 'couple, with the couple disconnected. If it's zero or infinite the gas valve solenoid coil is bad. If it's 3 ohms and the pilot doesn't stay lit the valve could be bad for mechanical reasons.

samw334 03-09-2010 09:42 AM

Did you find the solution?


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