LiftMaster Field MOD Collar Kit (H, J) | LIF-71-HJASK aiphone master station Connect to Ethernet or Wi-Fi

Connect to Ethernet or Wi-Fi for over-the-air updates

The Jonard Tools 6-in-1 Multi-Bit Screwdriver eliminates the need for multiple tools in your belt

Worn or faulty limit switches can lead to overtravel

It provides an essential manual override

Inner Size without tray 9

LiftMaster Field MOD Collar Kit (H, J) | LIF-71-HJASK aiphone master station Connect to Ethernet or Wi-FiLiftMaster Field MOD Collar Kit (H, J) LIF 71 HJASK This is a replacement Shaft Collar Modification Kit. Compatible with LiftMaster Model H and J Commercial Door Operators manufactured prior to 2005. Check the manual or replacement parts diagram for specific part information before ordering to ensure compatibility.