US$ 99.99
Weight: 19 lb
Dimension: 4
2 Motor | LIF-CB2
Control Unit: SPDT relay/NPN (open collector)
Doorking Cap End Guide Roller Covers
LiftMaster FDO RPM Sensor Kit | LIF-K74-16437 sl575 belt Weight: 19 lbLiftMaster 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.