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Paddles are trimmable to facilitate custom flow rate adjustments and precise setpoint calibration
and R-134a
Meets exact OEM technical specifications for fitment and thermal response
Common Questions Is the Watts 0881427 compatible with other union brands
including 9-inch and 12-inch configurations
Carrier HH12ZB240 Limit Switch Paddles are trimmable to facilitateThe Carrier HH12ZB240 is a high limit OEM replacement part engineered for precise thermal regulation and safety in Carrier, Bryant, and Payne gas furnaces. As a normally closed (NC) switch, it is designed to protect the heat exchanger from damage caused by restricted airflow or blower failure. This auto limit switch functions on a specific thermal cycle, opening the circuit when internal temperatures reach 240F to interrupt the gas valve and closing