check the resistance across the lead wires

this 2-wire non-communicating sensor features a warmer/cooler adjustment lever for localized setpoint shifts

Constructed with a robust 4-way reversing valve design to minimize internal leakage and maintain system pressure

Specifically designed to fit Honeywell circular chart recorder door and plate assemblies

and Corsaire systems

Carrier HN61KJ310 Power Relay 30067439-890 check the resistance across theThe Carrier HN61KJ310 Power Relay is a specialized 18 amp component designed for high performance switching in residential and commercial HVAC units. This heavy duty OEM Carrier replacement relay ensures structural integrity and precise electrical timing, maintaining the factory specifications required for furnace control circuits and blower motor operations. Built to handle 18 amp inductive loads, it functions as a critical interface in the systems