Watts 0856740 Valve 320819-301 and EP13BZ125

and EP13BZ125

Constructed with durable internal diaphragms and a robust housing

Optimized 32° Pitch: Specifically pitched to maximize air-to-surface contact on the condenser coil for improved thermal transfer

featuring a floating PTFE diaphragm that significantly extends service life compared to standard alternatives

Why is a crankcase heater necessary for my HVAC system

Watts 0856740 Valve 320819-301 and EP13BZ125If 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