It serves as a direct drop-in for multiple legacy models

Simplified Installation: Features a single set-screw attachment for a secure

and solid debris before they reach sensitive components like the thermal expansion valve (TEV) or compressor

and WeatherKing high-efficiency condensing furnaces

Its Y-Out terminal provides an optional diagnostic connection for advanced system feedback

Carrier HK02SB020 Pressure Switch 318172-701 It serves as a directThe Carrier HK02SB020 is a high precision low pressure switch designed for critical monitoring within commercial and residential HVACR systems. As a Factory Authorized Part, this single pole single throw (SPST) snap acting switch is engineered to identify drops in refrigerant pressure, effectively protecting the compressor from operating under hazardous low suction conditions. It features a factory calibrated setpoint of 8. 4 bar (approx. 121 PSI) and