LiftMaster FDO RPM Sensor Kit | LIF-K74-16437 33203 Move heavy gates up to

Move heavy gates up to 4

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OPERATING TEMP

LiftMaster FDO RPM Sensor Kit | LIF-K74-16437 33203 Move heavy gates up toLiftMaster 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.