Carrier HH18HA465 Limit Switch 322056-301 and UDBS models in 100

and UDBS models in 100 and 125 sizes

serving as the official 8402-145 replacement switch

Can this transformer power a modern smart thermostat

Key Benefits Universal Compatibility: Serves as a universal mounting solution and a verified A70AA-15 replacement

Carrier HH18HA465 Limit Switch 322056-301 and UDBS models in 100The Carrier HH18HA465 is a high precision automatic reset limit switch designed for critical thermal protection in Carrier, Bryant, and Payne furnace applications. Operating as a normally closed switch, this safety component opens the circuit at a fixed high limit temperature of 165F and automatically resets once the induction air temperature drops back to 100F. Engineered for high cycle reliability, the HH18HA465 prevents heat exchanger damage caused