LiftMaster Contact Block | LIF-K90-78002K Photo Sensors HySecurity Wheel Kit | HYS-MX002707

HySecurity Wheel Kit | HYS-MX002707

The high degree of movement control and impact resistance via an encoder

Stainless steel finish matches AE-500 case

Whether you're a professional electrician or a DIY enthusiast

New proven digital circuit

LiftMaster Contact Block | LIF-K90-78002K Photo Sensors HySecurity Wheel Kit | HYS-MX002707LiftMaster Contact Block LIF K90 78002K This is a replacement Contact Block. 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 71 9078002K