Caleffi Automatic Filling Valve with Backflow Preventer & Pressure Gauge, Pre-Adjustable, 1/2" Inside NPT Union Inlet x 1/2" Inside NPT Outlet 573016A

A Caleffi 573016A Automatic Filling Valve with Backflow Preventer & Pressure Gauge maintains system pressure and protects against reverse flow to keep the HVAC circuit stable.

• Using real OEM regulators maintains consistent performance under fluctuating demand, reducing unexpected shutdowns and keeping your system reliably on spec
• Product Type: Automatic Filling Valve
• Includes: Backflow Preventer and Pressure Gauge
• Features: Pre-Adjustable
• Connection Type: 1/2" Inside NPT Union Inlet x 1/2" Inside NPT Outlet