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Duotone terrace — saffron brief on the left, garden-folded ledger on the right.
Key Benefits ASME Section IV Certified: Designed and tested to meet rigorous safety standards for pressure vessel protection
this toggle switch serves as the main power on/off switch for a wide range of heating systems
When diagnosing Weil McLain boiler parts
While a 2-pole contactor can physically break both legs of power
ensuring easy field retrofits
Cleveland Control AFS-227-121 Air Flow Switch Els PW 17895 Key Benefits ASME Section IVAs an HVAC technician, you know that consistent pressure monitoring is the backbone of safe furnace and air handler operation. The Cleveland Controls AFS 227 121 is a professional grade air flow switch and differential pressure sensing switch designed to tackle complex HVACR and energy management applications. This SPDT air pressure switch features a versatile field adjustable set point range from . 05" . 02" to 12. 0" w. c., allowing for precision