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This adjustable motor pulley is standard for Carrier fan coil units and rooftop handlers where CFM adjustments are critical for meeting design specifications
2-way normally closed pilot-operated valve designed specifically for the rigorous demands of steam and hot water applications
System Protection: Critical for managing bypass flow
When replacing a failed venter
and various sensors
Bell & Gossett 110123 Relief Valve R-22 This adjustable motor pulley isThe Xylem Bell & Gossett 110123 Relief Valve is designed to provide dependable overpressure protection for commercial and residential hydronic heating systems. This 3 4 inch pressure relief valve is factory set to open at 45 PSI, helping protect boilers, expansion tanks, heat exchangers, and associated piping from excessive system pressure. Commonly identified as the 790 3 4 45 relief valve, this component is engineered for closed loop hot water