000 BTU/HR capacities featuring direct spark ignition

Why shouldn’t I use a generic foam tape instead of part 120057

Manufacturers recommend replacing the sensor if it has been exposed to flammable vapors

This is a deliberate safety feature that requires a physical reset after a trip to ensure the cause of the overheat is addressed by a professional

How do I address this module within a multi-boiler network

Carrier HH18HA191 Control 322057-301 000 BTU/HR capacities featuring directThe Carrier HH18HA191 Temp Actuated Control is a critical high limit switch designed for HVAC safety and performance. As a Factory Authorized Part, this SPST disc style switch provides reliable circuit interruption when system temperatures exceed safe operating thresholds, preventing potential thermal damage to heat exchangers and internal components. Engineered for seamless integration, it is rated for 5A at 240 VAC and 10A at 120 VAC, utilizing