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Mercury-Free Design: Reliable snap-action switching eliminates environmental hazards and leveling concerns during mounting
The Siemens Building Technology 142-0430 Gauge is a professional-grade pneumatic receiver gauge engineered for high-accuracy local indication of pneumatic transmitter signals
The Weil McLain 590-317-305 is a professional-grade woven fiberglass gasket specifically engineered for high-temperature sealing on cleanout plates
This furnace igniter replacement is rated for all altitude applications
This OEM Reznor 201962 component features a calibrated 170-250F temperature range and an auto-reset function
Cleveland Controls AFS-442 Sensing Switch Mercury-Free Design: Reliable snap-action switchingThe Cleveland Controls AFS 442 is a professional grade air pressure sensing switch designed for critical monitoring in HVAC and energy management systems. Engineered for precision, this differential pressure switch features SPDT contacts and an adjustable set point range from 0. 05" w. c. to 2. 0" w. c., making it the industry standard for proving airflow in package burners and furnaces. The AFS 442 is technically identical to the AFS 442 3, ensuring
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