--- product_id: 60845128 title: "FloPlast External Air Admittance Valve Black" brand: "floplast" price: "NT$4570" currency: TWD in_stock: true category: "Flo Plast" url: https://www.desertcart.tw/products/60845128-floplast-external-air-admittance-valve-black store_origin: TW region: Taiwan --- # Built-in mesh blocks debris & insects A1 BS EN 12380 certified Operates from -20°C to +60°C FloPlast External Air Admittance Valve Black **Brand:** floplast **Price:** NT$4570 **Availability:** ✅ In Stock ## Summary > 🌬️ Elevate your airflow game with FloPlast’s sleek, certified valve! ## Quick Answers - **What is this?** FloPlast External Air Admittance Valve Black by floplast - **How much does it cost?** NT$4570 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/60845128-floplast-external-air-admittance-valve-black) ## Best For - floplast enthusiasts ## Why This Product - Trusted floplast brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Certified Reliability:** A1 approved & kite marked for ultimate safety and compliance - • **Effortless Integration:** Compact, lightweight design fits seamlessly into modern plumbing setups - • **All-Weather Performance:** Engineered to function flawlessly from freezing cold to scorching heat - • **Clean Airflow Guarantee:** Mesh filter prevents debris and insects, keeping your system pristine - • **Flood-Level Installation:** Safe to install below flood level—peace of mind in any environment ## Overview The FloPlast External Air Admittance Valve in black is a robust PVC valve designed to allow air into sanitary pipework while blocking foul gases. Certified to BS EN 12380 with A1 approval and kite marking, it operates reliably in extreme temperatures (-20°C to +60°C) without insulation. Its built-in mesh prevents debris and insects, and it can be safely installed below flood levels, making it a trusted choice for professional plumbing systems. ## Description Product Description The FloPlast External Air Admittance Valves are designed to allow the free entry of air into the sanitary pipework system without the escape of foul gasses. Manufacturer's Description The FloPlast External Air Admittance Valves are designed to allow the free entry of air into the sanitary pipework system without the escape of foul gasses. ## Features - Fitted with a mesh to prevent the ingress of environmental debris and insects. - Product is A1 approved in accordance with BS EN 12380 - it can be installed below the flood level of connected appliances. - Tested and approved for use in installations varying between -20° & +60°C (no insulation required). - Kite marked to BS EN 12380 - Licence number KM512474. - CE marked to BS EN 12380 Attestation level 4 ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | 5666039695 | | Batteries Required? | No | | Batteries included? | No | | Best Sellers Rank | 155,469 in DIY & Tools ( See Top 100 in DIY & Tools ) 1,126 in Central Heating System Accessories 6,519 in Pumps & Plumbing Equipment | | Colour | Black | | Customer Reviews | 4.6 4.6 out of 5 stars (214) | | Date First Available | 21 April 2021 | | Guaranteed software updates until | unknown | | Included Components | 1 x Air Admittance Valve | | Item Package Quantity | 1 | | Item Weight | 442 g | | Item model number | AX110BL | | Manufacturer | FloPlast | | Material | PVC | | Measurement System | Metric | | Number of Pieces | 1 | | Part Number | AX110BL | | Product Dimensions | 14.79 x 14.79 x 12.1 cm; 442 g | ## Images ![FloPlast External Air Admittance Valve Black - Image 1](https://m.media-amazon.com/images/I/613fhHs4cWL.jpg) ## Questions & Answers **Q: can this be fitted below sink waste level want to get rid of soil stack in bathroom to give cleaner lines, rather than boxing in and tiling round** A: I bought mine for external use so I would not have to put the stack pipe up beside & above my new roof dormer, and like the another person, who responded to this question, I can see no reason why it could not be fitted below sink waist level, but It would be best to make sure it's OK if the planed position was going to be below the toilet waste outlet (if that's possible) **Q: Hi will it fit osma pipe or floplast only** A: Will fit any 110mm soil pipe as they all should be 110mm **Q: Can these valves be installed horizontally or do they have to be vertical?** A: AX110 valves must be installed vertically **Q: is item up to current building regs** A: Hi, UK Building Regulations (document H1, section 1.33) states 'Air admittance valves should not be used outside buildings or in dust laden atmospheres', so you will not be complying with the Building Reg's if you fit this as per the manufacturer's recommendations. The reason for the above statement is that debris, and insects or spiders can gain ingress and force open the vent seal, preventing it from functioning, and there is no current testing method for this type of ingress The only acceptable way, according to the Building Regulations, for an air admittance valve to be installed outside a building if it is is housed within an enclosure, preventing said ingress. --- ## 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.tw/products/60845128-floplast-external-air-admittance-valve-black](https://www.desertcart.tw/products/60845128-floplast-external-air-admittance-valve-black) --- *Product available on Desertcart Taiwan* *Store origin: TW* *Last updated: 2026-08-16*