The plastic gears in my Sears chain drive opener failed again, so I
to replace the opener with a new Genie screw drive opener. After
the new opener and taking measurements, I discovered there would be
insufficient clearance between the rail and the door as it opened, even
I mounted everything as high as the ceiling (my ceiling is 8 ft. and my
is 7 ft.).
Upon contacting Genie customer service, the agent said I would have to
purchase a "low headroom kit". Anybody had this experience? Any
Most garages have ceiling heights over 8', if the ceilings match those
in the house. Mine was close to 8'8", but there is a minimum floor
elevation required by code (4"?) to prevent combustible gas from
entering your home. Don't know why yours is so low; builders do
The low clearance kit is a couple of straight tracks and some brackets
and bolts to mount them stacked on your existing top tracks. The top
rollers ride this track so the top section doesn't climb when the door
opens. The other rollers ride in the existing tracks.
You could probably salvage your old straight tracks and brackets and
make your own kit; haven't tried this but it seems reasonable.
What is confusing is that you already had an opener on the door with no
problems. Why would the new opener be so much lower? I too had problems
with various openers and they all installed at the same height.
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