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Watts 1/4 Inch FV-4M1 Automatic Air Vent

Model # 590716|Store SKU # 1001072840

Overview

Model # 590716 Store SKU # 1001072840

This 1/4 inch automatic air vent valve is 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. It 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. It can be disassembled for inspection and cleaning. The maximum pressure is 150 PSI (10 BAR).

  1. Brass construction
  1. Air vent with silicon rubber seal
  1. Float is high temperature resistant polyethylene
  1. Suitable for use with glycol systems

Specifications

Dimensions

Assembled Depth (in inches)
2.50
Assembled Height (in inches)
4.60
Assembled Weight (in lbs)
0.4
Assembled Width (in inches)
1.60
Packaged Depth (in inches)
2
Packaged Height (in inches)
3.34
Packaged Weight (In lbs)
0.4
Packaged Width (in inches)
2

Details

Country of Origin
IT-Italy
Facilities Maintenance
No

Warranty / Certifications

1 Year Limited Warranty
1/4 Inch FV-4M1 Automatic Air VentWatts 1/4 Inch FV-4M1 Automatic Air VentThis 1/4 inch automatic air vent valve is 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. It 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. It can be disassembled for inspection and cleaning. The maximum pressure is 150 PSI (10 BAR).
Watts
1001072840
CAD20.45
The Home Depot Canada
1/4 Inch FV-4M1 Automatic Air Vent is rated 4.0 out of 5 by 7.
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Rated 5 out of 5 by from Air Bleeder - Boat Boiler Application This auto bleeder is working perfectly on the diesel boiler on my boat. Had trouble with shutdowns due to air cavitation in the circulation pump. Put this device ahead of the pump and solved the problem.
Date published: 2021-05-01
Rated 5 out of 5 by from Recommended Good quality and functions well on tankless hot water return line.
Date published: 2020-04-09
Rated 5 out of 5 by from Great float vent It works great. It looks different than on the picture.
Date published: 2020-02-15
Rated 1 out of 5 by from Picture This? I could only purchase this item online from Home Depot? I wanted to replace my air vents with the Metal cap vent that is pictured, when I got home opened the box.....same crappie plastic screw vent cap I have already. Item I received not same as pictured, The plastic screw gets hot and will strip if over tighten even a little.
Date published: 2019-05-11
Rated 5 out of 5 by from Fits exactly in place I bought it about a month back and works well on my equipment.
Date published: 2018-09-28
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