LiftMaster 423LM Three-Channel Coaxial Receiver - 390MHz intercom-mount If your HS670GL operator is If your SL920 operator GL1-FL push-bar Select Model:Pump Motor Assembly with Enclosure - 115V

If your HS670GL operator is experiencing looseness or binding at the pivot point

Hurricane-Tested Durability – Passed sustained Category 5 wind force testing at 157 mph

5-Inch High-Definition Touchscreen: Intuitive display for an easy experience

Environmental Rating: Suitable for indoor industrial environments

Easy-access battery compartment and dip switch settings

LiftMaster 423LM Three Channel Coaxial Receiver 390MHz intercom mount If your HS670GL operator is If your SL920 operator GL1 FL push bar Select Model:Pump Motor Assembly with Enclosure 115V If your HS670GL operator is experiencing looseness or binding at the pivot point Hurricane Tested Durability – Passed sustained Category 5 wind force testing at 157 mph