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.
$23.58
each
13 In Stock
or for lower prices and free shipping.
Body and cover are brass construction
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
Specifications
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Nominal Size:Â 1/8 in
End Style:Â MPT
Series:Â FV Series
Type:Â Automatic
Dimensions:Â 2-15/16 H in
Body Material:Â Brass
Domestic/Import:Â Import
Pressure Rating:Â 1.45 to 150 psi
Softgoods Material:Â Silicone Rubber Seal
Temperature Rating:Â 33 to 240 deg F
Warranty
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Limited
Standards & Approvals
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US Green Building Council
PROP65: 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.