This 230V AC digital controller features three robust relay outputs specifically designed to manage the compressor or solenoid valve

a technician can flip the orientation to function as power-to-open and spring-to-close depending on the zone's requirements

What is the significance of the intake side bore

reducing wiring complexity and saving space in the electrical cabinet

Built for longevity in closed-loop systems

Carrier HH660103 Rollout Switch Kit 319847-401 This 230V AC digital controllerThe Carrier HH660103 Rollout Switch Kit is a critical safety component designed for precise flame rollout protection in Carrier, Bryant, and Payne gas fired furnaces. This manual reset limit switch is calibrated to detect abnormal heat concentrations near the burner assembly, typically caused by heat exchanger failure, restricted flue passages, or insufficient combustion air. As a genuine OEM furnace replacement part, the HH660103 ensures the control