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This Brass 1/2" NPT Male Air Vent Valve features a robust solid brass construction with high temperature and impact resistance. Its automatic float valve design ensures continuous air release without water leakage, making it essential for heating systems, solar water heaters, and underfloor heating manifolds. Equipped with standard 1/2" NPT threaded connectors, it offers easy installation and reliable performance in demanding environments.











| ASIN | B0CZP25L8S |
| Best Sellers Rank | #47,305 in Automotive ( See Top 100 in Automotive ) #19 in Automotive AC & Interior Heating Valves |
| Brand | BesNPT |
| Brand Name | BesNPT |
| Connector Type | Threaded |
| Customer Reviews | 3.5 out of 5 stars 8 Reviews |
| Exterior Finish | Brass |
| Exterior finish | Brass |
| Included Components | NO |
| Inlet Connection Size | 0.5 Inches |
| Inlet Connection Type | National Pipe Tapered |
| Inlet connection size | 0.5 Inches |
| Inlet connection type | National Pipe Tapered |
| Item Dimensions | 25 x 13 x 25 millimeters |
| Item Type Name | msk-2404-000940tqf |
| Item dimensions L x W x H | 25 x 13 x 25 millimeters |
| Manufacturer | BesNPT |
| Manufacturer Part Number | msk-2404-000940tqf |
| Material | Brass |
| Material Type | Brass |
| Model Number | msk-2404-000940tqf |
| Number of Pieces | 2 |
| Number of Ports | 2 |
| Outlet Connection Size | 0.5 Inches |
| Outlet Connection Type | MNPT |
| Set Name | Single |
| Size | 1/2 inch |
| Thread Size | 1/2 inch |
| Thread Type | NPT |
| Unit Count | 1.0 Count |
| Valve Type | Float Valve |
J**T
It works
Good for price
J**R
Leaks
Leaks. No way to tighten the valve properly. You need a big pipe wrench to grip the main body. The o ring is useless. The threads are too short to make a good seal. Poorly designed .Usual Chinese junk
M**J
Gives air an exit from water lines
It's a basic air vent valve made of brass. Not much to fail or go wrong here... My hydronic radiant-heat system is able to pass gas properly! I give it 5 stars for being well-built.
D**H
Automatic Air Release Valve Air Bleeder Valve
This is a high quality unit. It's the perfect vale for my radiant heating project. It being brass will ensure years of trouble free service. Thank you for a great product. Don
Trustpilot
2 weeks ago
2 months ago