1/2" FNPT x 1/2" FNPT Union Pressure Reducing Boiler Fill Valve with Pressure Relief Valve
Brand: Taco
Part#: 334-T3
Temporary Out of Stock
Usually ships: Upon availability
Taco 334-T3 boiler feed (fill) valve combines a pressure reducing valve and a pressure relief valve into one assembly. Features cast iron body and 1/2" threaded inlets.
This boiler feed valve combination is used to automatically feed water to a system whenever the pressure in the system drops below the pressure setting of the valve. The pressure relief valve is factory set to 30 psi.

  • Fast Fill Rate
  • Exclusive Fast Fill Lever Lock
  • Built-In Check to Prevent Emptying the System if Incoming Pressure Fails
  • Adjustable Set Pressure of 10 to 25 psi
  • Pressure Setting Adjustment Separated from Fast Fill Lever for Easy, Fast Adjustment.
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Technical Specifications:
  • Inlet: 1/2" Threaded (Union)
  • Outlet: 1/2" Threaded
  • Maximum Fluid Temperature: 212 F
  • Maximum Supply Side Pressure: 100 psi
  • Operating Pressure Range: 10 - 25 psi
  • Pressure Relief Valve is Set To: 30 psi
  • Factory Setting (System Side): 12 psi
  • Materials of Construction: Cast Iron
  • Weight: 3.9 lbs
  • Dimensions: 7-3/8" wide x 5-1/8" high
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