FV-4 1/8″ Automatic Vent Valve
Series FV-4M1 Automatic Air Vent Valves provide automatic air venting for hot or cold water distribution systems. These vents purge air that may be in the water system.
The vent valve utilizes 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.
The float vent can also operate as an anti-vacuum device since it will permit air to enter the system when it must be drained. It can also be installed to permit the separation and dispersal of air while fluid is actually circulating in the system.
Watts 0590715 Features:
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
Watts 0590715 Specifications:
Height: 2-15/16″
Length: 1-5/8″
Material: Brass
Connection Size: 1/8″
Weight: 0.35 lbs.
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Specifications
| Material | Brass |
| Height | 2.938 in. |
| Length | 1.625 in. |
| Product Weight | .35 lbs. |
| Water Connection | 1/8" |
| Lead Leaching Certified NSF/ANSI 61 | N/A (Regulation does not apply) |
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