LiftMaster Auxiliary Contact Block Relay (2NO/2NC) | LIF-K27-8004-K

This is an Auxiliary Contact Block Relay (2NO/2NC) Replacement Kit. 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 27-8004-K
• LiftMaster 278004K