this sensor is engineered to provide precise microamp signal feedback to the furnace control board

making it a direct-fit solution for residential air conditioning and light commercial systems

The high-sensitivity element reacts to the ambient humidity in the atmosphere

While primarily used for damper linkage

and SEN0491

Raypak 009688F Relay this sensor is engineered toThe Raypak 009688F Relay is a professional grade 24V DPDT relay engineered for precise switching in residential and commercial boiler systems. Designed as a direct replacement component, this double pole double throw relay handles high current circuits with low voltage signals, making it an essential part of the HVAC control system. Its compact footprint allows for easy integration into high density control panels, while the Raypak 24V switching relay