Carrier HK02SB020 Pressure Switch 320819-301 the system must never be

the system must never be left running without a functional vent safety switch installed

providing the necessary signal integrity back to the direct spark ignition module or intermittent pilot system

This OEM Lennox replacement part carries an orange dot identifier and is a direct substitute for the 71G1701

Comprehensive Installation Kit: Includes U-bracket

technicians should ensure the existing primary and secondary 3/4" NPT fittings are in good condition or replaced during the swap

Carrier HK02SB020 Pressure Switch 320819-301 the system must never beThe 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