LIFTMASTER model 41C4220A is a garage door repair device.
The warranty on the 41C4220A is 1 year from LIFTMASTER.
The model 41C4220A is still available.
LIFTMASTER model 41C4220A repair instructions and owners manual in PDF format at NO CHARGE!
VIEW / DOWNLOAD by clicking HERE
liftmaster_gear_41c4220a_om.pdf
(0.74 MB in English) This requires Acrobat 10 or higher