Save Forced Hot Air Furnaces : Troubleshooting and Repair

Over All Rating Reviews :

The book is published in 1999. There is agood discussion on older technologies like standing pilot, intermittent pilot, HSI
etc. There is very lirrle information on "Direct Spark Ignition System" which was available in late seventies. I was disappointed in the book because it had very little discussion on DSI systems. I have a house built in 1979. I was hoping to find this type of information from a book written in 1999. It had very little information on control modules, ignitor flame sensors, ignition retries, lockout etc which is vital in trpuble shooting DSI type of hot air furnaces.

I am still looking for a good book on this subject !

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