Robust Construction: Cast iron body with black lacquer finish and high-strength brass trim for extended component life

Durable Probe Design: Utilizes a high-grade electronic probe sensor that resists scaling and sediment buildup compared to traditional float switches

guaranteeing optimal performance and longevity

Utilizing a real OEM control board prevents common communication failures and nuisance low voltage alarms often seen with generic alternatives

this Type K oil is widely used by technicians to coat and protect gas furnace pilots and sensors from corrosion and buildup in specific environmental conditions

Carrier HK02SB029 Pressure Switch R-22 Robust Construction: Cast iron bodyThe Carrier HK02SB029 is a high precision low pressure switch designed for critical monitoring in residential and commercial HVAC refrigeration circuits. As a factory authorized OEM pressure switch, it provides an exact calibration of 44 27 PSI, ensuring the system initiates a cutout when suction pressure drops to 27 PSI and resets at 44 PSI. Constructed with a signature orange jacket for easy field identification, this 44 27# pressure switch prevents