LiftMaster G3707CH Chain Drive Rail Assembly (1pc, 7') Residential Operators This is a replacement Pulley

This is a replacement Pulley (7"x5/8")

1 Photocell 10K Resistor FA-XP30-10K

Note: This accessory is compatible with the HySecurity WedgeSmart operators

Memory: Keypad Stores up to 100 four-digit entry codes

and any XL arm over 20 feet long

LiftMaster G3707CH Chain Drive Rail Assembly (1pc, 7') Residential Operators This is a replacement PulleyLiftMaster G3707CH Chain Drive Rail Assembly (1pc, 7') The LiftMaster G3707CH is a one piece 7 feet (2. 1m) Rail Assembly. This complete rail is used to install various LiftMaster and Chamberlain Chain Drive Garage Door Openers. Check the manual for specific rail kit information before ordering to ensure compatibility. Also known as LiftMaster MR3707CHC LiftMaster 3707PL LiftMaster 3707CH LiftMaster 3707CHC LiftMaster MRE3707CH LiftMaster MR3707CH