it operates efficiently across a wide ambient temperature range

Balanced Port Design: Maintains consistent refrigerant flow even during significant head pressure fluctuations

While the unit is rugged and rated for low temperatures

While the 3/4" threading may match

indicating the valve is not opening despite receiving its 24V signal

Watts 0856740 Valve 326058-755 it operates efficiently across aIf you are looking for precise hydronic balancing and system diagnostics in a compact package, the Watts 0856740 flow measurement valve is the industry standard for 1" NPT applications. Designed specifically for low to medium flow rate HVAC units, the Series CSM 61 M1 T serves as a high accuracy alternative to standard ball valves by integrating a position indicator and a memory device. This allows a technician to establish a set point once and return