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1/2" FV4 Auto Air Vent

Brand:
Watts
SKU:
0590722
Rating:
(5)
Q&A:
(0)
1/2" FV4 Auto Air Vent
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$41.73 each
In Stock
In Stock
Get 44 Thu, Jun 25
Order by today, receive Thursday

Non-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.
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Easy Returns No restocking fee for 90 days

Product Highlights

Product Highlight: Size
1/2"
Product Highlight: System Type
Hydronic (Water)
Product Highlight: Max Temp (F)
240°F Max Temp
Product Highlight: Max Pressure
150 psi
Product Highlight: Min Temp (F)
33°F Min Temp
Product Highlight: Temperature Range (F)
33°F - 240°F

Description

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.

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
  • Minimum working pressure: 1.45psi (10 kPa)
  • Maximum working pressure: 150psi (10 bar)
  • Temperature Range: 33°F – 240°F (5°C – 116°C)

Specs

Size:

1/2"

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

Adjustability:

Non-Adjustable

Thread Type:

Male

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Product Reviews

4.8 out of 5 reviews
100% would recommend this product
4.8
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100% would recommend this product
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Showing 1-5 of 5 reviews

Great product!

Works as it should, lets out air, not water.
RJ
Farmington hills MI
4 years ago
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FV4

Good quality at a good price. Better than getting them local and the free shipping is excellent
greenwood plumbing
RI
7 years ago
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good vent and compact

Bought 2 of these and they worked great
fixit
louisville ky.
7 years ago
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Would buy again

Works good No check valve so if system loses pressure May let air in
Benny
Wi
7 years ago
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Compact and Cost Effective

Using this to vent an in-floor radiant heat system, replacing a larger unit that gummed up. This vent can be disassembled for cleaning. Only issue I see is that the vent cap does not have a hole in it and I'm not sure if the air will vent sufficiently with the cap lightly screwed on. Leaving the cap off is not an option (dusty area).
Brasil65
Washougal, WA
9 years ago
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Free Shipping
On orders over $99
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