Carrier HH12HC171 Limit Switch THPU32HP7Y the 511-330-099 provides the precise

the 511-330-099 provides the precise timing and voltage regulation required to maintain boiler efficiency and prevent nuisance lockouts in residential and light commercial heating applications

Direct OEM Compatibility: Specifically engineered for Trane and American Standard heating equipment for a standard drop-in installation

Is the HH19ZA195 a normally open or normally closed switch

making it suitable for HFC

Does this pan include the condensate float switch

Carrier HH12HC171 Limit Switch THPU32HP7Y the 511-330-099 provides the preciseRepair high limit error codes and restore furnace safety with the Carrier HH12HC171 Limit Switch. This OEM temperature actuated switch is a critical safety component designed to monitor heat exchanger temperatures and prevent hazardous overheating conditions. Engineered for professional HVAC applications, the Carrier HH12HC171 features a precise Open 170F Close 130F configuration, ensuring the burner circuit is interrupted if internal temperatures