A Bum Pressure Switch

Back again on November 27. A good Thanksgiving to all.

As predicted, the unusual warm days of November came to an end recently, replaced by lower temps. Time, it turned out, for a gizmo known as a pressure switch on our furnace to give up the ghost.

Doityourself.com tells us that “a gas furnace pressure switch closes to allow current to pass through and start the ignition of the furnace. If the pressure switch is stuck, it does not send enough power to the inducer, and therefore, the ignition sequence does not begin.”

Sure enough, there was no ignition, so the heater blew unheated air through the system, which is no good when it’s just above freezing outside the house. The problem started Sunday evening, so we spent the night without heat, since I’m not qualified to doitmyself. Once double-time rates were over, on Monday morning that is, a technician came to install a new pressure switch that cost a little less than $200. Could have been worse, as in more expensive. Has been worse.

The house holds its heat fairly well. Small electric heaters were able to raise the living room temps to about 65 F Sunday night. Since I didn’t want to run those overnight, the house then cooled. Inside temps were just over 50 F by Monday morning.

Sleeping under two thick comforters wasn’t bad at all. Except the inevitable wee-hour moment when my bladder reminded me that I’m thoroughly middle-aged.