Taco 3450 valve combines cartridge-style boiler feed valve and dual check with backflow preventer & atmoshperic vent into a one-piece design - simply dial the pressure setting and connect the pipes. Ideal for typical radiant heat and baseboard/radiator hot water heating systems. Both backflow and pressure reducing cartridge can be serviced or replaced without shutting off water supply.
- Easy pressure dial with large adjustment range
- Replaceable and serviceable cartridge for both the backflow and pressure regulator - without draining the system
- Auto-reset from fast fill mode
- Adjustable 360° view of pressure indicator
- ASSE 1081-2014 compliant
- Compact, one-piece body construction.
- Max Inlet Pressure: 150 psi
- Min Delta Pressure (Inlet to Outlet): 15 psi
- Recommended Setting Range: 10 - 50 psi
- Factory Setting: 12 psi
- Adjustment Capacity: 8.5 - 65 psi
- Max Flow Rate: 25 gpm
- Max Temperature: 210°F
- Max Inlet Pressure: 150 psi.