Integrated Safety Management: Constantly monitors flame signals and safety resets to ensure code-compliant furnace operation

making it suitable for washdown environments

this component monitors internal heat exchanger temperatures

It serves as the direct factory replacement for the Lennox 44J23

Carrier HK02SA445 Pressure Switch Freon Integrated Safety Management: Constantly monitorsThe Carrier HK02SA445 is a critical OEM high pressure safety switch designed for precise refrigerant circuit monitoring in residential and commercial condensing units. This high pressure switch is factory calibrated with a 660 PSI cutout and a 505 PSI cut in (reset) threshold, ensuring the compressor remains protected against thermal overload and mechanical failure during extreme head pressure conditions. As a genuine Carrier replacement part, it