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07 February 2010 @ 09:18 am
Chilled Out -- Not In A Good Way  
The furnace quit on us last night. We called our plumbing/heating contractor, but (not surprisingly) they're booked with truly dire emergency cases through Monday.

The good news is that it seems to be working now (the inside temp was below 60 a few hours ago, according to starmalachite; it's now up to 62). Based on the pattern I observed last night (the pilot igniter came on, the gas jets lit for about 10 seconds, the gas jets quit, about 15 seconds later the pilot igniter came on again, lather-rinse-repeat, accompanied by occasional sounds suggesting strained air circulation), my guess is that the snow was blocking an outlet vent, triggering the safeties to shut off the burner when the exhaust wasn't escaping properly. If so, the problem may have solved itself when enough warm air got through to melt the blockage. I'll be monitoring the situation for now.
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Mspiritdance on February 7th, 2010 03:02 pm (UTC)
Having the air intake for the furnace system iced over will cause similar symptoms (speaking from direct, expensive experience). It'd be well worth your while to go out and check the inlet/outlet vet pipes while it's daylight out. Our system, when it did that, gave us two or three nights of partial shutdown (it'd be off, then back on), before it froze up enough to need the intervention of a repair person with a hammer :)
Steve Brinich: Once Alivestevemb on February 7th, 2010 03:16 pm (UTC)
I'll take a look; from what I can tell from inside (the airflow at the intake feels as strong as usual) the outlet seems to be a more likely culprit.

It's stayed on full blast for the past few hours; inside temperature is up to 64.
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Steve Brinich: Angela Grinstevemb on February 8th, 2010 01:50 am (UTC)
It seems to be OK now; the indoor temp is back up to normal.
hillarysherwoodhillarysherwood on February 8th, 2010 05:35 am (UTC)
Glad to hear that the heat is working normally again. It might make sense to have someone look at it sometime next week if the furnace starts acting up again.
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