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The valve is optimized for fuel gas service
ensuring seamless integration into existing service loops without extensive field modifications
Optimized Airflow: The precision-stamped 10x6 1/2" CW blade configuration maintains factory-specified static pressure and system efficiency
This critical component is engineered to maintain precise water temperatures and prevent boiler overheating by interrupting power to the burner if the high-limit set point is exceeded
Carrier HH12ZB140 Limit Switch 319825-402 The valve is optimized forMaintain peak safety and performance in your rooftop or residential furnace systems with the Carrier HH12ZB140 Limit Switch. This genuine OEM HVAC replacement part is a factory authorized L140F 40 limit switch, specifically engineered for high limit protection in Carrier, Bryant, and Payne air handlers and package units. As an auto reset limit switch with a SPST (Single Pole Single Throw) configuration, it is designed to interrupt the heating circuit
