--- product_id: 629253437 title: "Brass 1/2\" NPT Male Air Vent Valve Automatic Float Valve Air Release Air Bleeder Valve" brand: "besnpt" price: "€ 46.24" currency: EUR in_stock: true reviews_count: 4 category: "Bes Npt" url: https://www.desertcart.hr/products/629253437-brass-1-2-npt-male-air-vent-valve-automatic-float store_origin: HR region: Croatia --- # Automatic air release with no water discharge High temperature & impact resistance Solid brass build for durability Brass 1/2" NPT Male Air Vent Valve Automatic Float Valve Air Release Air Bleeder Valve **Brand:** besnpt **Price:** € 46.24 **Availability:** ✅ In Stock ## Summary > 🔥 Keep your system flawless with zero leaks and max efficiency! 💨 ## Quick Answers - **What is this?** Brass 1/2" NPT Male Air Vent Valve Automatic Float Valve Air Release Air Bleeder Valve by besnpt - **How much does it cost?** € 46.24 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/629253437-brass-1-2-npt-male-air-vent-valve-automatic-float) ## Best For - besnpt enthusiasts ## Why This Product - Trusted besnpt brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Heat & Impact Tough:** Engineered to withstand high temperatures and physical impacts, perfect for solar heaters and underfloor heating. - • **Seamless Air Venting:** Unique float valve design guarantees continuous air release without water leakage, maintaining system efficiency. - • **Universal Compatibility:** Standard 1/2" NPT male thread fits most heating and plumbing setups effortlessly. - • **Optimize Your Heating System:** Prevents airlocks and boosts performance, making your heating system run smoother and more efficiently. - • **Built to Last with Solid Brass:** Premium corrosion-resistant material ensures longevity and reliability in demanding heating systems. ## Overview This Brass 1/2" NPT Male Air Vent Valve features a solid brass construction designed for high strength and temperature resistance. Its automatic float valve mechanism ensures continuous air release without water discharge, ideal for heating systems, solar water heaters, and underfloor heating manifolds. With standard 1/2" NPT threading, it offers easy integration and reliable performance to prevent airlocks and maintain system efficiency. ## Description Brass 1/2" NPT Male Air Vent Valve Automatic Float Valve Air Release Air Bleeder Valve Review: It works - Good for price Review: 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 ## Features - Inclub: 1PCS 1/2" G male vent valve. 1PCS 1/2" G female to 1/2" NPT male connector. - Material: Solid brass. High strength, High temperature resistance, with certain anti freezing and anti impact capabilities - The exhaust valve features a unique structural design that guarantees no water discharge during venting. - As long as there is pressure in the system, the exhaust valve will continue venting. - Primarily employed in heating systems, solar water heaters, underfloor heating manifolds, heating accessories, and more. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CZP25L8S | | Brand | BesNPT | | Customer Reviews | 3.5 out of 5 stars 8 Reviews | | Exterior Finish | Brass | | Exterior finish | Brass | | Included Components | NO | | Inlet Connection Type | National Pipe Tapered | | Inlet connection type | National Pipe Tapered | | Item Dimensions | 25 x 13 x 25 millimetres | | Item Type Name | msk-2404-000940tqf | | Item dimensions L x W x H | 25 x 13 x 25 millimetres | | Manufacturer | BesNPT | | Material | Brass | | Model Number | msk-2404-000940tqf | | Number of Pieces | 2 | | Number of Ports | 2 | | Outlet Connection Size | 0.5 Inches | | Outlet Connection Type | MNPT | | Outlet connection type | MNPT | | Part Number | msk-2404-000940tqf | | Size | 0.5 inches | | Thread Size | 1/2 | | Thread Type | NPT | | Unit Count | 1.0 count | | Valve Type | Float Valve | ## Product Details - **Material:** Brass - **Brand:** BesNPT - **Item dimensions L x W x H:** 25 x 13 x 25 millimetres - **Exterior finish:** Brass - **Inlet connection type:** National Pipe Tapered - **Outlet connection type:** MNPT - **Number of ports:** 2 - **Outlet connection size:** 0.5 Inches - **Manufacturer:** BesNPT ## Images ![Brass 1/2" NPT Male Air Vent Valve Automatic Float Valve Air Release Air Bleeder Valve - Image 1](https://m.media-amazon.com/images/I/51Dbpi21fUL.jpg) ![Brass 1/2" NPT Male Air Vent Valve Automatic Float Valve Air Release Air Bleeder Valve - Image 2](https://m.media-amazon.com/images/I/61oAqSg7liL.jpg) ![Brass 1/2" NPT Male Air Vent Valve Automatic Float Valve Air Release Air Bleeder Valve - Image 3](https://m.media-amazon.com/images/I/51P4Z3Tr-ZL.jpg) ![Brass 1/2" NPT Male Air Vent Valve Automatic Float Valve Air Release Air Bleeder Valve - Image 4](https://m.media-amazon.com/images/I/51Y2NAy5IiL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ It works *by J***T on 9 March 2025* Good for price ### ⭐ Leaks *by J***R on 2 February 2026* 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 ### ⭐⭐⭐⭐⭐ Gives air an exit from water lines *by M***J on 5 June 2024* 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. ## Frequently Bought Together - BesNPT Brass 1/2" NPT Male Air Vent Valve Automatic Float Valve Air Release Air Bleeder Valve - Water Pressure Regulator 1/2 inch with Gauge, Made of 100% High Hardness Brass, Adjustable Water Pressure Reducing Valve Water - SENCTRL 0-100 Psi Glycerin Liquid Filled Low Pressure Gauge, 2.5" Dial Size, 1/4" NPT Lower Mount, Stainless Steel Case, for Water Pump, Pneumatic Air, Well, RV Hose, Tank, Gas Pressure Test --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.hr/products/629253437-brass-1-2-npt-male-air-vent-valve-automatic-float](https://www.desertcart.hr/products/629253437-brass-1-2-npt-male-air-vent-valve-automatic-float) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-07-12*