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terminals 4 and 6 are "dummy" terminals used for wire anchoring and have no electrical connection to the internal relay coil or contacts
you enhance the reliability of outdoor air dampers and economizer kits where standard NEMA 1 ratings are insufficient
and SWT-4900 for a perfect fit in York YCAJ150 through YCAJ230 models
Smith commercial applications
Belimo G332B-M Valve R-407A terminals 4 and 6 areThe Belimo G332B M is a high performance 1 1 4 inch 3 way globe valve engineered for precise control in critical HVACR applications. Built with a bronze body and brass trim, this valve is designed to handle chilled or hot water and up to 60% glycol solutions, making it a staple for hydronic system balancing. With a 20 Cv flow coefficient and a linear flow characteristic (B to AB), it provides consistent modulation for mixing or diverting
