--- product_id: 4811295 title: "Taco 400-4 1/8-Inch-NPT Float Air Hy-Vent" brand: "taco" price: "€ 41.92" currency: EUR in_stock: true category: "Taco" url: https://www.desertcart.be/products/4811295-taco-400-4-1-8-inch-npt-float-air-hy store_origin: BE region: Belgium --- # Handles up to 150 psi pressure Versatile threaded connections Sturdy brass build Taco 400-4 1/8-Inch-NPT Float Air Hy-Vent **Brand:** taco **Price:** € 41.92 **Availability:** ✅ In Stock ## Summary > 🔥 Elevate your heating game with the Taco 400-4 — precision venting that never quits! 🛠️ ## Quick Answers - **What is this?** Taco 400-4 1/8-Inch-NPT Float Air Hy-Vent by taco - **How much does it cost?** € 41.92 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/4811295-taco-400-4-1-8-inch-npt-float-air-hy) ## Best For - taco enthusiasts ## Why This Product - Trusted taco brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Pressure-Ready for Heavy Duty:** Operates seamlessly under high pressure up to 150 psi, perfect for demanding heating systems. - • **Built to Last with Premium Brass:** Durable brass construction ensures long-lasting performance and corrosion resistance. - • **Easy Maintenance with Removable Top:** Threaded top design allows quick cleaning and hassle-free upkeep to keep your system efficient. - • **Optimized for Diverse Heating Systems:** Ideal for hot water radiators, baseboards, convectors, radiant panels, and small unit heaters. - • **Universal Fit with Threaded Flexibility:** Multiple NPT thread sizes (.125 to .75 inch) for easy installation on boilers and high points. ## Overview The Taco 400-4 Float Air Hy-Vent is a high-capacity, brass and nickel-plated float valve vent designed for hot water heating systems. It supports operating pressures up to 150 psi and features multiple NPT threaded connection sizes for versatile installation on boilers and system high points. Its durable construction and removable top enable easy maintenance, making it a reliable choice for professional-grade heating setups. ## Description Product Description The high-capacity, float-style vent can be placed either on the boiler or at the high points throughout the system. With threaded connections--.125-Inch. 0.25-Inch, 0.5-Inch and 0.75-Inch --and operating pressure ratings up to 150 psi, these brass-body, nickel-plated vents meet the system requirements of even your largest installations. From the Manufacturer The high-capacity, float-style vent can be placed either on the boiler or at the high points throughout the system. With threaded connections--.125-Inch. 0.25-Inch, 0.5-Inch and 0.75-Inch --and operating pressure ratings up to 150 psi, these brass-body, nickel-plated vents meet the system requirements of even your largest installations. ## Features - Sturdy Brass Construction - Designed for use on hot water radiators, baseboards, convectors, radiant panels, and small unit heaters with a maximum working pressure of 150 psi - The Taco 400 HY-Vent can be opened (top is threaded on) and cleaned. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B003QSJLL2 | | Best Sellers Rank | #70,139 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #47 in Power Water Pumps | | Brand Name | Taco | | Connector Type | not_applicable | | Customer Reviews | 4.7 4.7 out of 5 stars (967) | | Exterior Finish | not_applicable | | Global Trade Identification Number | 00687752581096 | | Included Components | taco - 400-4 | | Inlet Connection Size | 2 inches | | Inlet Connection Type | National Pipe Tapered | | Item Dimensions | 2 x 2 x 3.25 inches | | Item Type Name | taco - 400-4 | | Item Weight | 48 g | | Manufacturer | Taco | | Manufacturer Part Number | taco - 400-4 | | Material Type | Brass | | Maximum Pressure | 290 bar | | Model Number | taco - 400-4 | | Number of Items | 1 | | Number of Packs | 1 | | Number of Pieces | 1 | | Number of Ports | 2 | | Outlet Connection Size | 0.13 inches | | Outlet Connection Type | NPT | | Set Name | 400-4 | | Size | not_applicable | | Specification Met | not_applicable | | Thread Size | .125 inches | | Thread Type | NPT | | UPC | 074748353735 687752581096 | | Unit Count | 1 Count | | Valve Type | Float Valve | ## Product Details - **Brand:** Taco - **Exterior Finish:** not_applicable - **Inlet Connection Size:** 2 inches - **Inlet Connection Type:** National Pipe Tapered - **Item dimensions L x W x H:** 2 x 2 x 3.25 inches - **Material:** Brass - **Maximum Operating Pressure:** 290 bar - **Number of Ports:** 2 - **Outlet Connection Size:** 0.13 inches - **Outlet Connection Type:** NPT ## Images ![Taco 400-4 1/8-Inch-NPT Float Air Hy-Vent - Image 1](https://m.media-amazon.com/images/I/41yr-1apfKL.jpg) ![Taco 400-4 1/8-Inch-NPT Float Air Hy-Vent - Image 2](https://m.media-amazon.com/images/I/41bMU6jioZL.jpg) ![Taco 400-4 1/8-Inch-NPT Float Air Hy-Vent - Image 3](https://m.media-amazon.com/images/I/61iFm6v1luL.jpg) ## Frequently Bought Together - Taco 400-4 1/8-Inch-NPT Float Air Hy-Vent - Watts ETX-30 Non-Potable Water Carbon Steel Expansion Tank for Closed Loop Hydronic Heating System Piping, 1/2" MNPT Connection, Tank Volume 4.7 Gallons, Maximum Pressure 75 psi - Watts 0342691 30 PSI Pressure Relief Valve, Bronze, 3/4" 335 M2-030 --- ## 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.be/products/4811295-taco-400-4-1-8-inch-npt-float-air-hy](https://www.desertcart.be/products/4811295-taco-400-4-1-8-inch-npt-float-air-hy) --- *Product available on Desertcart Belgium* *Store origin: BE* *Last updated: 2026-10-17*