Description
The Watts 0009478 Pressure Reducing Valve N45BU-M1 UNIONX features a 3/4″ FPT connection and an adjustable pressure range of 2575 PSI for controlling incoming water pressure in plumbing and HVAC systems. It regulates water pressure to maintain consistent flow enabling it to protect connected components from excessive pressure fluctuations. Commonly installed in commercial and residential water supply lines, it is used with boilers, hydronic heating equipment and related applications. It maintains the required operating pressure, supporting stable performance and proper water distribution across connected equipment.
