Call or Text 314-894-1991

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WATTS® 0590722 2501841
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WATTS® 0590722 2501841

WATTS® FV-4M1 Series 0590722 Air Vent Valve, 1/2 in, Brass

  • Manufacturer: Watts Water Technologies
  • Brand Name: WATTS®
  • Part Number: 2501841
  • MPN: 0590722
  • UPC: 098268066708
  • Min. Order Qty: 1
  • Qty. Interval: 1
  • loading Available at ST LOUIS
  • loading Available at All Branches

Series FV-4 automatic vent valves are used in commercial and residential hydronic heating applications to provide automatic air venting for hot or cold water distribution systems. It consists of a brass body construction with male NPT connection, brass cover, air vent with silicone rubber seal, polyethylene float with valve plug and automatic vent. Series FV-4M1 has a high temperature rating and is ideal for use with glycol systems or for use as an anti-vacuum device. It can also be installed to permit the separation and dispersal of air while fluid is circulating in the system. Can be disassembled for inspection and cleaning.

WATTS® Air Vent Valve, FV-4M1 Series, 1/2 in Nominal, Brass, 3-5/16 in H

Dimensions      :      3-5/16 in H
Material      :      Brass
Nominal Size      :      1/2 in
Series      :      FV-4M1 Series
  • Air vent with silicone rubber seal
  • Impurities do not usually affect function as maximum float line of water is always lower than the valve seal
  • Float is high temperature-resistant polyethylene
  • Suitable for use with glycol systems
  • Can be disassembled for inspection and cleaning