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

The TCS Basys TZ1000 Transmitter is a commercial-grade temperature and relative humidity transmitter engineered for high-precision building automation

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

Common symptoms include the pilot failing to light

Designed with a 24V AC control coil

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