LiftMaster Double Idler (#41 Chain) | LIF-K75-11544 FAS-H-B1002 lockable pin provides a secure

lockable pin provides a secure way to manually release the actuator during power outages

Five hoses - 19

Slots in the bracket allow for tensioning of the drive chain

Weather/Tamper-resistant fiberglass housing

making it versatile for a wide range of pumping requirements

LiftMaster Double Idler (#41 Chain) | LIF-K75-11544 FAS-H-B1002 lockable pin provides a secureLiftMaster Double Idler (#41 Chain) LIF K75 11544 27 17108 is a Heater This is a Double Idler (#41 Chain). For use with various LiftMaster Commercial Door Operators. Check the manual or replacement parts diagram for specific part information before ordering to ensure compatibility. Genuine LiftMaster replacement part. Also known as LiftMaster 75 11544