Gear and sprocket assembly for belt drive units after 2002.
Assembly includes: Spring washer thrust washer retaining ring bearing plate two roll pins drive gear and worm gear helical gear with retainer and grease.
Manufactured to the highest quality standards to ensure accurate detection our Pre-formed loops come with a 50 foot twisted lead-in ware and available lead-in lengths up to 500 feet.
Ideal for use on existing asphalt or concrete surfaces
Features a non spliced continuous wire throughout loop turns and lead-in.
requires the use of loop sealer when being installed to ensure long lasting trouble-free detection
The beam of the Nice F210 photocells has a horizontal scope of 210° thereby increasing the safety level of the system and simplifying installation: the gate or garage door to be automated quite often slide flush with the wall making it very difficult to position the photocell.
The F210 photocells are available with relay output
May be used in two different ways: as an OPEN only control (all LiftMaster operators) or as an OPEN/CLOSE control (only LiftMaster operators with types B2 and S2 control wiring).
In the latter case pulling the cord will open a fully closed door close a fully opened door and reverse a closing door.
Pulling the cord whlie the door is opening will either have no effect (type B2 wiring) or will stop the door (Solid State Logic Control Board).