Pressure-reducing valve

The 3350 pressure-reducing valve (PRV) by Taco automatically feeds water to the hydronic system whenever the pressure drops below the parameter settings.


The 3350 pressure-reducing valve (PRV) by Taco automatically feeds water to the hydronic system whenever the pressure drops below the parameter settings. Courtesy: TacoTaco’s 3350 pressure-reducing valve (PRV) is used to automatically feed water to a hydronic system whenever pressure in the system drops below the pressure setting of the valve. The 3350 PRV reduces incoming pressure and automatically maintains system pressure to the valve’s adjustable setpoint. If the system pressure drops below the valve’s setpoint, it will automatically add water to the system. The 3350 also features a fast-fill button with automatic reset. All parts for the cartridge-style pressure-reducing valve are contained in a one-piece cartridge that can be easily removed and serviced without reducing system pressure. The device offers a fast-fill mode that automatically returns to normal mode when set pressure is reached. It also delivers increased flow to speed system fill times. Its unique dial-in pressure setting allows for easy adjustment throughout the 10 to 50 psi range, without the need for an external gauge.


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