SKU: 74234833731
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Invensys/Robertshaw) depending on the production era
It offers improved heat dissipation and longevity in environments where the ambient temperature exceeds standard operating limits
Can this tee be used with high-pressure refrigerants like R-410A
while it features two windows for dual-setpoint models
Key Benefits: Compatible with McDonnell & Miller FS4-3RP
Intermatic K4221C Control Invensys/Robertshaw) depending on the productionProfessional 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