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  1. Replies
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    550

    There is resistance at the spark ignitor and...

    There is resistance at the spark ignitor and between the leads coming off of it. It's a condensing boiler. There is no try for the pre-purge before it even tries for ignition.
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    3
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    550

    Taco zone controller sr 504

    In school, I have a Peerless PI-80 boiler with 3 zones, each fed by a different pump. On start up, the draft inducer goes into a 10 sec. pre-purge and then after a call for heat, a 6 sec. pre-purge...
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    2,458

    Ductboard vs. sheetmetal

    We live in a 20 year old home that is all electric. We have electric baseboard heat and 2 window units for a/c. I am almost done with school (HVAC) and am considering putting in a heat pump. The...
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    I was just admiring some of your work. I graduate...

    I was just admiring some of your work. I graduate in June and am still not sure if I want to do sales or install/service. I used to work for an HVAC wholesaler and was looking at some of the...
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