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preventing carbon monoxide buildup and pressure sensor errors
This unit features a standard 1/2" NPT male thread
Designed with a high-strength aluminum housing and a resilient Buna-N diaphragm
The 312926-252 is typically integrated as an automatic reset switch
Cleveland Controls AFS-531-328 Switch 324846-701 preventing carbon monoxide buildup andAs a seasoned contractor, you know that proving fan status and monitoring pressure drops requires a switch that doesn't drift. The Cleveland Controls AFS 531 328 is a professional grade differential air pressure switch designed for precision in HVAC, energy management, and industrial ventilation. Featuring a field adjustable setpoint range of 0. 05" to 1. 0" w. c., this unit allows for fine tuning to meet specific economizer or proving switch
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