1" FV4 Auto Air Vent Zoom

1" FV4 Auto Air Vent


Brand: Watts

Qty Price
/ each
$182.50 / box (10 units x $18.25)
Non-Stock ItemAllow 1-2 Weeks to Ship Out

Do not use this item for any installation or repair of potable water applications. This product does not comply with the "Safe Drinking Water Act," which requires that products meet low-lead standards in order to be used in systems providing water for human consumption (drinking or cooking). This item is for non-potable (non-human consumption) water applications only.




Size: 1"
System Type: Hydronic (Water)
Min Temp (F): 33°F
Max Temp (F): 240°F
Temperature Range (F): 33°-240°F
Max Pressure: 150 psi
Min Pressure (PSI): 1.45 psi
Material: Brass
Body Pattern: Straight
Mount: Straight
Adjustability: Non-Adjustable
Thread Type: Male

Description for Watts 0590721

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 female 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. Maximum Pressure: 150psi (10 bar).

Note: Box image depicts 1/8" size FV-4M1

1" FV4 Auto Air Vent

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