Intermatic K4221C Control Key Benefits: Compatible with McDonnell

Key Benefits: Compatible with McDonnell & Miller FS4-3RP

the technical specifications and physical dimensions remain identical

it features pre-drilled mounting holes that match original factory specifications

while it features two windows for dual-setpoint models

Can I substitute a generic SPST control for York refrigeration systems

Intermatic K4221C Control Key Benefits: Compatible with McDonnellProfessional grade Intermatic K4221C Control units are the industry standard for reliable dusk to dawn lighting control. Built for the rigors of the field, this thermal photocontrol features a robust mechanical bimetal switch and a precision cadmium sulfide photocell to ensure consistent performance across extreme temperature ranges from 40? F to 158? F. The stem and swivel mount design, featuring a 1 2" 14 NPSM threaded stem, allows for flexible