--- product_id: 52389645 title: "Flexvent 1/2" brand: "flamco" price: "EC$176" currency: XCD in_stock: true category: "Flamco" url: https://grenada.desertcart.com/products/52389645-flexvent-1-2 store_origin: GD region: Grenada --- # Operates up to 120°C peak temp Handles max 10 bar pressure Compact 1/2" threaded design Flexvent 1/2 **Brand:** flamco **Price:** EC$176 **Availability:** ✅ In Stock ## Summary > 🔥 Keep your system flawless with Flamco Flexvent – the smart vent every pro trusts! ## Quick Answers - **What is this?** Flexvent 1/2 by flamco - **How much does it cost?** EC$176 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [grenada.desertcart.com](https://grenada.desertcart.com/products/52389645-flexvent-1-2) ## Best For - flamco enthusiasts ## Why This Product - Trusted flamco brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Trusted Quality:** Factory-tested for flawless performance, giving you peace of mind with every installation. - • **Clean & Efficient:** Protective chamber keeps the seal seat dirt-free, ensuring long-lasting automatic air venting. - • **Seamless Integration:** Ultra-compact 1/2" float vent fits effortlessly into any heating system. - • **Built for Performance:** Engineered to withstand pressures up to 10 bar and temperatures peaking at 120°C for reliable operation. - • **Versatile Compatibility:** Supports glycol content up to 50%, perfect for modern central heating setups. ## Overview The Flamco Flexvent 1/2" Floatvent with shut-off valve is a compact, brass automatic air vent designed for central heating systems. It supports glycol mixtures up to 50%, operates safely up to 120°C peak temperature and 10 bar pressure, and features a protective chamber to prevent dirt contamination. Factory-tested and ISO 9001 certified, it ensures reliable, maintenance-free air venting for professional-grade installations. ## Description Free delivery and returns on all eligible orders. Shop Flamco Flexvent 1/2" Floatvent c/w shut-off valve - Automatic Air Vent 27740. ## Features - The Flamco Flexvent 1/2 inch vent valve is suitable for house installations with a glycol content of up to 50%. - Thanks to its extremely compact shape, the Flexvent 1/2 inch bleed valve can be easily installed in any system that can be installed at a temperature below 90°C (with a peak of max. 120°C) and a pressure of 6 bar (with a peak of max. 10 bar). - As a quality guarantee, every Flamco nozzle is tested before it leaves our factory. - The Flexvent seal seat is protected from dirt as the protective chamber is placed on the float ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00GXNNGPY | | Best Sellers Rank | 100,965 in DIY & Tools ( See Top 100 in DIY & Tools ) 708 in Central Heating System Accessories | | Brand | Flamco | | Connector Type | Threaded | | Customer Reviews | 4.5 4.5 out of 5 stars (1,245) | | Exterior Finish | Brass | | Included Components | No | | Inlet Connection Size | 230 Millimeters | | Inlet Connection Type | 1/2" Male Thread | | Item Dimensions | 23 x 3 x 80 centimetres | | Item Type Name | Flamco Flexvent R1/2 inch Radiator Bleeder Automatic, Float Vent Heater, Quick Bleed, Thermostatic Valve, Flexvent Vent 27740 | | Item Weight | 100 Grams | | Manufacturer | Flamco | | Material | Messing | | Maximum Pressure | 10 Bars | | Model Number | 27740 | | Number of Items | 1 | | Number of Packs | 1 | | Number of Pieces | 1 | | Number of Ports | 2 | | Outlet Connection Size | 0.5 Inches | | Outlet Connection Type | External thread | | Part Number | 27740 | | Set Name | Flamco Flexvent 1/2" Floatvent 27740 | | Size | R½" | | Specification Met | CE, ISO 9001, RoHS | | Thread Size | 1/2 Zoll | | Thread Type | 1/2 inch | | Unit Count | 1.0 count | | Valve Type | Float Valve | ## Product Details - **Brand:** Flamco - **Exterior finish:** Brass - **Inlet connection size:** 230 Millimeters - **Inlet connection type:** 1/2" Male Thread - **Item dimensions L x W x H:** 23 x 3 x 80 centimetres - **Material:** Messing - **Maximum operating pressure:** 10 Bars - **Number of ports:** 2 - **Outlet connection size:** 0.5 Inches - **Outlet connection type:** External thread ## Images ![Flexvent 1/2 - Image 1](https://m.media-amazon.com/images/I/61yr+SH6UIL.jpg) ![Flexvent 1/2 - Image 2](https://m.media-amazon.com/images/I/61RwBdg60BL.jpg) ![Flexvent 1/2 - Image 3](https://m.media-amazon.com/images/I/61H44UExJbL.jpg) ![Flexvent 1/2 - Image 4](https://m.media-amazon.com/images/I/61rK058ZPRL.jpg) ![Flexvent 1/2 - Image 5](https://m.media-amazon.com/images/I/6109MtGcANL.jpg) ## Available Options This product comes in different **Color, Size** options. ## Questions & Answers **Q: Hello - does this connect directly to 15mm copper pipe or does it need an adaptor?** A: Hi, it has a 1/2" BSP male thread, so you would need an adaptor to fit it onto 15mm copper. **Q: Can I screw this straight into the top of my towel rail replacing the manual bleed valve? Will I need ptfe tape?** A: This type of valve isn't really designed for what you are proposing, more to remove air from whole systems. You may wish to consider one of the smaller valves specifically designed for radiators. Try "Aladdin Micro Barlo 6mm Fully Automatic Self Bleeding Radiator Valve" or perhaps have a chat with your local plumbers' merchant. **Q: what is the Product Dimensions?** A: Flexvent Dimensions Ø [mm]: 30 H. [mm]: 75.5 Connection R 1⁄2" **Q: Does the valve need to be fitted vertically** A: As the CH water lifts a plunger against gravity, if the valve was other than upright, it may not operate to its full capacity ## Frequently Bought Together - Flamco Flexvent 1/2" Floatvent c/w shut-off valve - Automatic Air Vent 27740 - LOCTITE 55 Pipe Thread Sealant, Non Curing Thread Sealant for Plumbing Pipes and Fittings, Reliable Fast Action Pipe Sealant for Metal and Plastic, 50m --- ## 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://grenada.desertcart.com/products/52389645-flexvent-1-2](https://grenada.desertcart.com/products/52389645-flexvent-1-2) --- *Product available on Desertcart Grenada* *Store origin: GD* *Last updated: 2026-08-18*