Watts FV-4M1 1/2 Automatic Vent Valve, Brass | Plumbing Hub Canada

Watts FV-4M1-1/2" 1/2" MNPT Brass Automatic Air Vent 0590722

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Watts FV-4M1-1/2"  1/2" MNPT Brass Automatic Air Vent - 0590722

This 1/2 inch automatic vent valve is 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 female NPT connection, brass cover, air vent with silicone rubber seal, polyethylene float with valve plug, and automatic vent. It 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. It can be disassembled for inspection and cleaning. The maximum pressure is 150 psi (10 bar).

Product Features:

  • Air vent with silicon rubber seal
  • Suitable for use with glycol systems
  • Float is high temperature resistant polyethylene
  • Brass construction
  • SKU: FV-4M1-1/2" 
  • Watts Part: 0590722
  • UPC: 098268066708

Product Specs: