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Refrigerant Compatibility: Designed for use with all non-corrosive refrigerants commonly found in commercial cooling systems
this valve provides the exact flow characteristics required to maintain design evaporator temperatures and capacity
making it suitable for demanding commercial and industrial environments where moisture or dust may be present
as well as oil-free system designs
always use a wet rag or thermal blocking heat paste on the valve body during the brazing process to keep temperatures below 250°F
Resideo MARD-12 Damper 322056-301 Refrigerant Compatibility: Designed for useThe Resideo MARD 12 Damper is a professional grade 12 inch round modulating damper designed for high performance HVAC zoning and bypass control. Built with heavy duty 22 gauge galvanized steel, this three wire motorized damper is engineered for longevity in both residential and light commercial mechanical systems. It features a 24Vac floating actuator that provides precise control, with a 90 second motor timing for full stroke transition from open to
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