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Ships within 48 hours · Estimated delivery Sep 20 - Sep 25
Industrial-Grade Construction: Built with high-quality materials to withstand the thermal stress of continuous heating and cooling cycles
Key Benefits Precise Compatibility: Engineered as a drop-in replacement for Barber Colman AT-11-399 and AT-24-399
Fabricated from high-temperature-resistant metal alloys
22 certified for residential
Cleveland Controls DFS-448-153 Switch Industrial-Grade Construction: Built with high-qualityThe Cleveland Controls DFS 448 153 is a purpose built air flow switch designed for critical monitoring in industrial HVAC systems, air handling units, and duct heaters. This fixed set point air pressure switch is factory calibrated to actuate on a pressure rise of 0. 05" 0. 02" w. c., providing high accuracy sensing for equipment safety and cycle control. Featuring a SPDT switch configuration (Single Pole Double Throw), it facilitates versatile wiring
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