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3/4" FV-4M1 Auto Air Vent
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3/4" FV-4M1 Auto Air Vent

Brand:
Watts
SKU:
0590723
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(0)
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3/4" FV-4M1 Auto Air Vent
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$26.08 each
In Stock
In Stock
Get 106 Wed, Apr 5
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Product Highlights

Size icon
3/4"
System Type icon
Hydronic (Water)
Max Temp (F) icon
240°F Max Temp
Max Pressure icon
150 psi
Min Temp (F) icon
33°F Min Temp
Temperature Range (F) icon
33°F - 240°F

Description

3/4" FV-4M1 Auto Air Vent

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.

Product 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

Specs

Size:

3/4"

System Type:

Hydronic (Water)

Min Temp (F):

33°F

Max Temp (F):

240°F

Temperature Range (F):

33°F - 240°F

Max Pressure:

150 psi

Min Pressure (PSI):

1.45

Material:

Brass

Body Pattern:

Straight

Mount:

Straight

Thread Size:

1/4"

Adjustability:

Non-Adjustable

Thread Type:

Male

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On orders over $99
We offer flexible shipping and scheduling options, up-to-date delivery estimates, and free ground shipping on any order over $99 to make sure your order gets to you on-time, for less.
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Ordered the wrong product? Item damaged in transit? Our 3-step process makes returning products easy – even up to a year after purchase – with no restocking fees on returns made within 90 days.
Return Policy