Carrier HN53TB031 Auxiliary Contact Switch 322027-701 Rugged Reliability: Designed to withstand

Rugged Reliability: Designed to withstand harsh mechanical and electrical environments common in residential HVAC

This non-reversing contactor is UL recognized and CSA certified

maintaining the correct air-to-gas ratio for peak burner performance

pilot flame monitoring

Carrier HN53TB031 Auxiliary Contact Switch 322027-701 Rugged Reliability: Designed to withstandThe Carrier HN53TB031 Auxiliary Contact Switch is a critical field installable component designed for seamless integration with Carrier 30XA and 30XV chillers. This DPST (Double Pole Single Throw) switch provides reliable secondary signaling for HVAC control circuits, ensuring the automation system receives accurate feedback on contactor status. Engineered for high cycle industrial applications, the HN53TB031 mounts directly to the main power