Taco 3450-1 Feed Valve and Backflow PreventerTaco 3450 1 Feed Valve and Backflow Preventer provides dependable boiler feed and backflow protection for hydronic heating systems. This Type 1 Piece valve features an internal check valve and a pressure regulating cartridge to maintain safe, consistent boiler water levels. Engineered with a forged brass body, the 1 2 inch nominal size fits a broad range of installations. End connections are Female Threaded x Soldered Union, offering flexible piping

Engineered to fit standard control circuits

Built to withstand everyday temperature and pressure demands

This 2-zone

Used on AF/AFG/SR/SF Residential Oil Burner

and the included gauge and service wrench speed setup and servicing

straightforward upkeep

The bronze body features a 316 stainless steel stem

This open-base valve delivers precise flow control and enduring performance

Designed for robustness

Simple installation and reliable performance

Volume: 11

robust internals (305 SS core tube