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Caleffi AutoFill 573012A Pre-Adjustable Combo Automatic Filling Valve, 1/2 in, FNPT, 175 psi, Brass Body

CALEFFI 573012A 1/2" NPT x 1/2" NPT BFP/AUTOFILL WITH GAUGE

Hydronic Auto Fill Valves
Brand: Caleffi logo
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Caleffi AutoFill 573012A Pre-Adjustable Combo Automatic Filling Valve, 1/2 in, FNPT, 175 psi, Brass Body

3371677 Product ID:3371677
Famous Supply
  • Dimensions: 9-3/4 in L
  • Media: Water
  • Series: 573
  • Softgoods Material: NBR Seal
  • Temperature Rating: 150 deg f
  • Type: Pre-Adjustable
  • Nominal Size: 1/2 in
  • End Style: FNPT
  • Pressure Rating: 175 psi
  • Body Material: Brass
The automatic filling valve is a device consisting of a pressure reducing valve with compensating seat, visual system pressure setting indicator, an inlet filter, anti-scale internal parts, a shut-off valve (round knob on bottom) and a check valve. It is installed on the water inlet piping in sealed heating systems, and its main function is to maintain the pressure of the system at a set value, automatically filling up with water as required. The valve is pre-adjustable, meaning it can be set to the desired pressure value before the system charging phase. After installation, during the filling or topping-off phase, the water feed will stop when the set pressure is reached. This valve fills 50% faster than other valves. There are no levers to flip or valve to close. Pre-assembled with the 573 series backflow preventer, the AutoFill™ Combo features an atmospheric vent which is designed to protect drinking water systems from return flow, caused by back-siphoning or back pressure, of contaminated fluids. The 573 series has been specifically certified to standards CSA B64.3 and ASSE 1012.
  • Warranty
  • Standards & Approvals
  • Includes
2 Years
ASSE 1012
CSA B64.3
0 to 60 psi Pressure Gauge and Backflow Preventer