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Re: ELECTRIC FURNACE BLOWER

Posted By: Don
Monday, 18 January 1999, at 1:31 p.m.

In Response To: ELECTRIC FURNACE BLOWER (BOB OSLIN)

Bob,

The delay is normal. An oil furnace may or may not have the blower fan come on with the rest, but the combustion fan does come on as soon as heat is called for.

In electric and natural/LP furnaces, there is a heat activatied switch in the heat excanger that turns on the fan when the compartment reaches a temp that allows warm air to pass into the ducts instead of creating cold drafts. The same switch normally will also shut the whole furnace down if the temperature in the heat chamber goes above safe levels (ie: the blower fan doesn't come on!:-)

Have a great day!

Don

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