Intermatic K4121C Control R-134A engineered for precise fitment and

engineered for precise fitment and reliable performance under high-temperature conditions

self-closing gauge tap for easy troubleshooting with a standard branch tap gauge adaptor

Whether you are performing a pressure switch replacement or a routine system overhaul

Thermal Protection: Oil-filled pressurized design offers advanced thermal stability in demanding outdoor environments

This technical-grade reversing valve with 24V coil is engineered for seamless integration into ICP HVAC replacement parts inventories

Intermatic K4121C Control R-134A engineered for precise fitment andThe Intermatic K4121C is a professional grade 120V stem mount photo control engineered for reliable dusk to dawn automation of outdoor lighting systems. Utilizing a mechanical bimetal switch paired with a cadmium sulfide photocell, this unit ensures precise 120 VAC operation across street, perimeter, and parking lot lighting applications. The thermal photocontrol technology includes a built in 30 to 90 second time delay, which prevents nuisance