The Carrier HK02ZB041 Low Pressure Switch is a critical OEM safety component engineered for precise refrigerant pressure monitoring in R-410A and R-22 systems

ensuring it is correctly positioned for optimal combustion within the burner tray

making it suitable for a wide range of regional voltage configurations

the assembly closes to minimize standby heat loss

Thermostatic operation prevents vacuum lock and ensures consistent radiator venting performance

Field Controls 46080200 Relay Refrigerant The Carrier HK02ZB041 Low PressureThe Field Controls 46080200 Relay is a specialized 24Vac SPDT replacement relay designed for precise switching in combustion air and draft control systems. Engineered for service longevity, this Field Controls relay serves as the direct OEM replacement component for CK 40, CK 41, CK 90, and CAC 24 kits. As a Single Pole Double Throw (SPDT) device, it provides the necessary logic to interface between the thermostat and the draft inducer motor or vent