About the Watts 0856737 3/4" CSM-61-M1-S Valve
Watts 0856737 3/4" CSM-61-M1-S Valve. Flow Measurement Valves raise the bar for accuracy and dependability and as a result you will experience greater balancing accuracy than ever before. Series CSM-61 has a compact size and is ideal in hot/chilled water units and small pumps.