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This model is internally equalized
allowing for flexible piping layouts
Universal Base Compatibility: Direct fit for Beckett A and NX base configurations
the orifice assembly is independent of the valve’s external connection type
25% FS accuracy necessary for professional-grade hydronic balance and pump monitoring
Cleveland Controls NS2-3126-00 Pressure Switch 318172-701 This model is internally equalizedThe Cleveland Controls NS2 3126 00 Pressure Switch is a genuine OEM air pressure switch engineered for reliable pressure sensing in gas furnaces, HVAC equipment, boilers, and other combustion air systems. Factory calibrated to 0. 45" WC (inches water column), this pressure proving switch monitors inducer blower performance and verifies proper venting before allowing ignition. Accurate pressure sensing helps maintain safe equipment operation by