We have an old furnace and are having trouble lighting the pilot. We don't even know where to light it. Getting cold soon can any one help? The furnace is an Intertherm 7900 Series.

First of all we need a COMPLETE and accurate model number. There are many different 7900 models made. Also is it natural gas or propane. They also made it in oil fired also.

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Originally Posted by hvac1000

First of all we need a COMPLETE and accurate model number. There are many different 7900 models made. Also is it natural gas or propane. They also made it in oil fired also.

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Thank you so much for answering so quickly but never mind, we got it! :)

Good deal now you will be warm when you need to be.