technicians can ensure long-term reliability and HVAC system efficiency

Always verify your controller's requirements before using an igniter for flame sensing

Featuring a 3/8 inch NPT condensate drain connection

6 kW resistive load

Carrier HK02ZA451 Pressure Switch 320788-703 technicians can ensure long-term reliabilityThe Carrier HK02ZA451 Pressure Switch is an essential OEM replacement component engineered for high accuracy pressure monitoring in commercial and residential HVACR systems. As a veteran grade HVAC pressure controller, this unit features a pressure range of 5 100 PSIG and a field adjustable differential range of 3 12 PSI, allowing technicians to fine tune system cut in and cut out points with professional precision. The integrated manual reset button