Carrier HH18HA454 Limit Switch Els PW 17895 The MARS 33242 Relay is

The MARS 33242 Relay is a specialized 24V SPST-NO time delay relay engineered for precise control in HVACR systems

Key Benefits Precise Flame Detection: Engineered for accurate flame rectification to prevent unnecessary system shutdowns

The Carrier HK02ZB044 is calibrated to open the circuit at 7 PSI and reset (close) when pressure climbs back to 22 PSI

This Class 2 transformer is UL listed for both the US and Canada

It is a critical component for any service tech looking to maintain reliability when monitoring suction line pressures and vacuum levels on residential or commercial equipment

Carrier HH18HA454 Limit Switch Els PW 17895 The MARS 33242 Relay isThe Carrier HH18HA454 Limit Switch is a critical safety component designed for precise thermal regulation within Carrier, Bryant, and Payne gas furnaces. This L155 55F limit control features a fixed temperature setting that opens the circuit at 155F and automatically resets once the temperature drops by 55F. Engineered to prevent heat exchanger overheating, this OEM replacement part ensures the system stays within safe operational parameters,