--- product_id: 629908451 title: "Brass 1/2\" NPT Automatic Air Vent Valve Float Air Release Valve" brand: "besnpt" price: "301 kr" currency: NOK in_stock: true reviews_count: 4 category: "Bes Npt" url: https://www.desertcart.no/products/629908451-brass-1-2-npt-automatic-air-vent-valve-float-air store_origin: NO region: Norway --- # Continuous automatic air venting High-temp resistance up to system limits Solid brass build for durability Brass 1/2" NPT Automatic Air Vent Valve Float Air Release Valve **Brand:** besnpt **Price:** 301 kr **Availability:** ✅ In Stock ## Summary > 🔥 Keep your heating system flawless with zero hassle! 💨 ## Quick Answers - **What is this?** Brass 1/2" NPT Automatic Air Vent Valve Float Air Release Valve by besnpt - **How much does it cost?** 301 kr with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.no](https://www.desertcart.no/products/629908451-brass-1-2-npt-automatic-air-vent-valve-float-air) ## 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 - • **Built to Last:** Crafted from solid brass for unmatched strength and longevity in demanding heating systems. - • **Zero Water Waste:** Innovative design guarantees no water discharge during air venting—efficiency meets eco-consciousness. - • **Automatic Air Release:** Float valve mechanism continuously vents trapped air as long as system pressure exists—no manual intervention needed. - • **Versatile Compatibility:** Perfectly suited for heating systems, solar water heaters, and underfloor heating manifolds—upgrade your setup effortlessly. - • **Heat-Resistant Performance:** Engineered to withstand high temperatures, ensuring reliable operation even under intense heat. ## Overview This Brass 1/2" NPT Automatic Air Vent Valve features a robust solid brass construction with high temperature and impact resistance. Its unique float valve design ensures continuous air release without water loss, making it ideal for heating systems, solar water heaters, and underfloor heating manifolds. Threaded for easy installation, it guarantees efficient, maintenance-free venting to optimize system performance. ## 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 | | Best Sellers Rank | #671,484 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1,712 in Water Heater Replacement Parts #119,475 in Parts & Accessories | | Brand | BesNPT | | Brand Name | BesNPT | | Connector Type | Threaded | | Customer Reviews | 3.6 out of 5 stars 8 Reviews | | Exterior Finish | Brass | | Included Components | NO | | Inlet Connection Size | 0.5 inches | | Inlet Connection Type | National Pipe Tapered | | Item Dimensions | 1 x 0.5 x 1 inches | | Item Highlight | Heavy Duty Float Air Bleed Vent for Hot Water Heating Systems | | Item Type Name | msk-2404-000940tqf | | Item dimensions L x W x H | 1 x 0.5 x 1 inches | | Manufacturer | BesNPT | | Manufacturer Part Number | msk-2404-000940tqf | | Material | Brass | | Material Type | Brass | | Model Number | msk-2404-000940tqf | | Number of Items | 1 | | Number of Pieces | 2 | | Number of Ports | 2 | | Outlet Connection Size | 0.5 inches | | Outlet Connection Type | NPT | | Set Name | Single | | Size | 1/2" NPT | | Thread Size | 1/2 | | Thread Type | NPT | | Unit Count | 1 Count | | Valve Type | Float Valve | ## Product Details - **Brand:** BesNPT - **Exterior Finish:** Brass - **Inlet Connection Size:** 0.5 inches - **Inlet Connection Type:** National Pipe Tapered - **Item dimensions L x W x H:** 1 x 0.5 x 1 inches - **Material:** Brass - **Number of Ports:** 2 - **Outlet Connection Size:** 0.5 inches - **Outlet Connection Type:** NPT - **Unit Count:** 1 Count ## Images ![Brass 1/2" NPT Automatic Air Vent Valve Float Air Release Valve - Image 1](https://m.media-amazon.com/images/I/51Dbpi21fUL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ It works *by J***T on March 9, 2025* Good for price ### ⭐ Leaks *by J***R on February 2, 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 June 5, 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.no/products/629908451-brass-1-2-npt-automatic-air-vent-valve-float-air](https://www.desertcart.no/products/629908451-brass-1-2-npt-automatic-air-vent-valve-float-air) --- *Product available on Desertcart Norway* *Store origin: NO* *Last updated: 2026-10-11*