Belimo B217B Valve 322838-752 commonly known as the B-38

commonly known as the B-38 reducing valve

If the pressure is sufficient but the switch remains open (check with a multimeter for continuity)

This component is the direct replacement for S1-024-21671-002

Panel-Ready Integration: The screw mount board design allows for fast replacement or retrofit into standard HVACR control enclosures

Belimo B217B Valve 322838-752 commonly known as the B-38When you're spec'ing out a reliable control valve for hydronic systems, the Belimo B217B valve is a solid choice. This 2 way ball valve is engineered for precise flow regulation in various HVAC applications, from air handling units and fan coil units to VAV box re heat coils and bypass loops. With a 3 4 inch NPT connection and a Cv of 4. 7, it's designed to handle chilled or hot water up to 250F (120C) and glycol solutions up to 60%. The equal