Navigation Menu New

Access My Account, Order History, Lists and more here.

46A964 FV-4M1- 1 UNSPSC # 40141631

Automatic Air Vent Valve: 150 psi Max. Working Pressure (PSI), 1 in, Brass

  • Item # 46A964
  • Mfr. Model # FV-4M1- 1
  • UNSPSC # 40141631
  • Catalog Page # 2908 2908
Country of Origin Italy. Country of Origin is subject to change.

Provides automatic air venting for hot or cold water distribution systems, this WATTS automatic air vent valve
uses a float to actuate the valve plug which is located at the top of the valve. Once the air is displaced and the system pressure is sustained, the valve plug seals and prevents any water from escaping from the system. This valve can also purge air that may be in the water system. Model can be disassembled for maintenance.

Tap image to zoom.

Roll over image to zoom.

Automatic Air Vent Valve: 150 psi Max. Working Pressure (PSI), 1 in, Brass

  • Item # 46A964
  • Mfr. Model # FV-4M1- 1
  • UNSPSC # 40141631
  • Catalog Page # 2908 2908
Country of Origin Italy. Country of Origin is subject to change.

Provides automatic air venting for hot or cold water distribution systems, this WATTS automatic air vent valve
uses a float to actuate the valve plug which is located at the top of the valve. Once the air is displaced and the system pressure is sustained, the valve plug seals and prevents any water from escaping from the system. This valve can also purge air that may be in the water system. Model can be disassembled for maintenance.

Technical Specs

  • Item Automatic Air Vent Valve
  • Inlet 1 in
  • Max. Working Pressure (PSI) 150 psi
  • Max. Temp. (F) 240 Degrees F
  • Height (In.) 3 1/2 in
  • Width (In.) 1 3/8 in

Provides automatic air venting for hot or cold water distribution systems, this WATTS automatic air vent valve
uses a float to actuate the valve plug which is located at the top of the valve. Once the air is displaced and the system pressure is sustained, the valve plug seals and prevents any water from escaping from the system. This valve can also purge air that may be in the water system. Model can be disassembled for maintenance.

Compliance and Restrictions

  • WARNING This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Back to Top