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Posted by C. Raniac on December 3, 2006, 12:21 pm
Thank you, that did the trick!
jolt wrote:
> > My wife changed the filter on our gas furnace yesterday, and now it
> > doesn't work. I pulled off the front cover and on the upper right is a
> > small black pressure switch of sorts. I originally thought it was
> > supposed to be held shut by the cover, but that is not the case, as
> > they don't match up.
> >
> >>From reading the manual, I believe this is the circuit breaker for the
> > furnace/blower. When I push the protruding switch back in by hand, the
> > furnace fires up. It is spring loaded and won't stay in place, however.
> >
> > 1. It seems accessible--can I swap this out myself?
> >
> > 2. What did my we do to break it?
> >
> > 3. Would the local hardware store carry something like this?
> >
> > The switch/circuit breaker says 10a/250vac on the side.
> >
> > It is a Lennox Pulse furnace and I have the paperwork for it, and our
> > recently purchased home is circa 1968. We have been using the groovy
> > 1970s wood stove since yesterday, and it is about 25 degrees here in
> > frigid Utah.
> >
> > Someone suggested I had the filter cover on wrong, and that it should
> > be depressing this switch, but from the way it lines up there is no
> > point of contact, leading me to believe this is a blown circuit breaker
> > of some sort.
> >
> > Ok, off to buy more firewood, thanks all for any suggestions. We have
> > an HVAC guy who can look at it later today when he's back from
> > skiing/snowmobiling, I just wanted to try and fix anything painfully
> > obvious and embarassing before then.
> >
> It's the blower door saftey switch (required by law) so the furnace will not
> operate unless the door in put back on properly. Press the door to the
> furnace start with the door about 6" above the opening and keep presure
> applied towards the furnace while sliding the door down. When the door is in
> place properly the switch should be made.
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