Combustion air blower

roryod134 Posts: 1, Reputation: 1

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Mar 26, 2011, 08:41 AM

Combustion air blower

I have a lennox g24m3 furnace with a 83m00 surelight board the combustion blower stays on when not calling for heat witch makes the pressure switch fail when calling for heat why does the COMBUSTION AIR blower stay on

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