Caleffi 573002A Automatic Filling Valve with Backflow Preventer, Pre-Adjustable, 1/2" Inside NPT Inlet x 1/2" Outside NPT Outlet

A Caleffi 573002A Automatic Filling Valve with Backflow Preventer maintains stable system pressure with a pre-adjustable setup that guards against reverse flow in HVAC piping.

• Installing real OEM valves and fittings aligns thread standards and sealing geometry, helping them mate cleanly with existing lines and controls for hassle-free compatibility
• Product Type: Automatic Filling Valve
• Includes: Backflower Preventer
• Connection Type: NPT
• Inlet Size: 1/2" Inside NPT
• Outlet Size: 1/2" Outside NPT
• Features: Pre-Adjustable