LiftMaster FDO RPM Sensor Kit | LIF-K74-16437 33203 Capable of starting electric motor:

Capable of starting electric motor: Instant Reverse gate motors: 4) 1/2HP or 2) 1HP

Expertly engineered and constructed from high-quality materials

Move heavy gates up to 4

Tail gate alarm-K1 relay can be programmed to fire when a tail gate is sensed on the closed loop

a practical and versatile accessory designed to enhance your surveillance camera installation

LiftMaster FDO RPM Sensor Kit | LIF-K74-16437 33203 Capable of starting electric motor:LiftMaster FDO RPM Sensor Kit LIF K74 16437 This is a replacement RPM Sensor Kit (FDO). For use with various Commercial Fire Door Operators. Check the manual or replacement parts diagram for specific part information before ordering to ensure compatibility. Genuine LiftMaster replacement part.