the Carrier HH18HA211 should show continuity across the terminals since it is a normally closed (NC) switch

Designed with a 24V AC control coil

Specifically engineered for the Spence D-Pilot

the 22307801 OEM relay prevents overheating and electrical hazards within the control cabinet

Key Benefits Thermal Protection: Creates a reliable condensate trap that shields internal gauge components from extreme steam temperatures

Schneider Electric (Erie) AG24A020 Actuator Els PW 17895 the Carrier HH18HA211 should showThe Schneider Electric (Erie) AG24A020 Actuator is a field proven 24VAC motorized valve actuator engineered for high demand hydronic systems. This PopTop series actuator features a normally open (N. O.) configuration and a reliable spring return mechanism, ensuring a fail safe position during power loss. Specifically designed for high temperature applications, this unit handles media temperatures up to 250F at 15 psi steam, making it an essential