--- product_id: 442851411 title: "Boltigen Fire Hydrant Hose Adapter, 1-1/2\" NPT x 1-1/2\" NST (NH) Male Hex Fire Hose Fitting Double Male Brass Fire Hydrant Adapter" brand: "boltigen" price: "£42.95" currency: GBP in_stock: true reviews_count: 5 category: "Boltigen" url: https://www.desertcart.co.uk/products/442851411-boltigen-fire-hydrant-hose-adapter-1-1-2-npt-x store_origin: GB region: United Kingdom --- # Hex design for wrench grip 1.5" dual-thread precision Premium corrosion-resistant brass Boltigen Fire Hydrant Hose Adapter, 1-1/2" NPT x 1-1/2" NST (NH) Male Hex Fire Hose Fitting Double Male Brass Fire Hydrant Adapter **Brand:** boltigen **Price:** £42.95 **Availability:** ✅ In Stock ## Summary > 🔥 Connect with Confidence – The Brass Standard in Fire Hose Adapters 🛠️ ## Quick Answers - **What is this?** Boltigen Fire Hydrant Hose Adapter, 1-1/2" NPT x 1-1/2" NST (NH) Male Hex Fire Hose Fitting Double Male Brass Fire Hydrant Adapter by boltigen - **How much does it cost?** £42.95 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/442851411-boltigen-fire-hydrant-hose-adapter-1-1-2-npt-x) ## Best For - boltigen enthusiasts ## Why This Product - Trusted boltigen brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Endure:** Crafted from high-grade brass, engineered to resist corrosion and high temperatures. - • **Dual-Threaded Mastery:** Seamlessly connects 1-1/2" NPT and NST hoses for ultimate compatibility. - • **Wrench-Ready Hex Design:** Hexagonal midsection ensures secure, slip-free tightening with any standard wrench. - • **Quality You Can Count On:** 100% factory inspected with a satisfaction guarantee for peace of mind. - • **Trusted by Professionals:** Preferred by fire brigades and industries for reliable, leak-proof connections. ## Overview The Boltigen Fire Hydrant Hose Adapter features dual 1-1/2" male NPT and NST threads, crafted from durable brass for superior corrosion resistance and heat tolerance. Its hexagonal design allows for easy wrench operation, ensuring a secure fit that won’t loosen under pressure. Trusted by fire departments and industries alike, this adapter guarantees reliable, leak-proof connections with a factory-backed quality assurance. ## Description Fire Hydrant Hose Adapter, 1-1/2" NPT x 1-1/2" NST (NH) Male Hex Fire Hose Fitting Double Male Brass Fire Hydrant Adapter 1.Size: 1-1/2"NPT Male x 1-1/2"NH(NST) male 2.Connection: Hex tube fitting as a short length of pipe with threaded ends for connecting threaded pipes 3.Durable: All metal construction, made from high-quality brass, has strong corrosion resistance and ductility at high temperatures, durable to use 4.NH / NST: The most common thread type in use by fire departments today is NST or National Standard Thread. NST also goes by the initials NH or National Hose. It can even be referred to as NHT or National Hose Thread. But NST or NH is more common these days. NH = NST GHT: Threads are garden hose thread (GHT), which is 3/4″ diameter parallel (non-tapered) thread with a pitch of 11.5 threads per inch (TPI), which require gaskets or O-rings to seal when connected NPT: Threads are National Pipe Thread and is an American standard thread, NPT has tapered threads, so GHT and NPT threads are not compatible with each other Review: product was A1 Review: A+ quality ## Features - 【Size】Double male fire hose adapter with 1-1/2" male National Pipe Taper (NPT) threaded connection on one end and a 1-1/2" male National Standard Thread (NST) or National Hose (NH) connection on the other. - 【Material】Brass fire hydrant Hose adapters are made of brass for corrosion resistance, ductility at high temperature and low magnetic permeability, they are more heat-resistant than aluminum rigid fire hose and hydrant adapters. - 【Easy Operation】Brass fire hydrant hose connector with double male thread and hexagonal section in the middle for an increased bearing surface when adjusting the fitting with a wrench These fire hose fittings will not rotate as a hose is moved, making them less likely to loosen or break than swivel adapters. - 【Application】Brass fire hydrant adapter fittings used for connecting fire hose, pvc pipe and other low pressure pipes in the fire brigade, industry, refinery, building industry, agriculture, shipping, military and civil protection. - 【Quality Warranty】We did 100% inspection before these brass fire hydrant hose adapters leave our factory, if you have any problem with these products after you receive them, please feel free to contact us, we will give you a solution. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09Y1L9CHV | | Brand | Boltigen | | Brand Name | Boltigen | | Color | Gold | | Colour | Gold | | Connector Type | Adapter | | Connector type | Adapter | | Customer Reviews | 4.7 out of 5 stars 107 Reviews | | Exterior Finish | Brass | | Item Weight | 0.1 Pounds | | Manufacturer | Boltigen | | Material | Brass | | Material Type | Brass | | Number of Pieces | 1 | | Size | 1-1/2" NPT Male x 1-1/2" NST Male | | Thread Size | 1.5 inch | | Thread Type | NPT | | Thread size | 1.5 inch | | UPC | 747992564195 | | Unit Count | 1.0 Count | ## Product Details - **Size:** 1-1/2" NPT Male x 1-1/2" NST Male - **Material:** Brass - **Brand:** Boltigen - **Connector type:** Adapter - **Thread size:** 1.5 inch ## Images ![Boltigen Fire Hydrant Hose Adapter, 1-1/2" NPT x 1-1/2" NST (NH) Male Hex Fire Hose Fitting Double Male Brass Fire Hydrant Adapter - Image 1](https://m.media-amazon.com/images/I/712GcpWSU4L.jpg) ![Boltigen Fire Hydrant Hose Adapter, 1-1/2" NPT x 1-1/2" NST (NH) Male Hex Fire Hose Fitting Double Male Brass Fire Hydrant Adapter - Image 2](https://m.media-amazon.com/images/I/716N9cLjd4L.jpg) ![Boltigen Fire Hydrant Hose Adapter, 1-1/2" NPT x 1-1/2" NST (NH) Male Hex Fire Hose Fitting Double Male Brass Fire Hydrant Adapter - Image 3](https://m.media-amazon.com/images/I/71HOFZxuu1L.jpg) ![Boltigen Fire Hydrant Hose Adapter, 1-1/2" NPT x 1-1/2" NST (NH) Male Hex Fire Hose Fitting Double Male Brass Fire Hydrant Adapter - Image 4](https://m.media-amazon.com/images/I/71NyEJ5ywdL.jpg) ![Boltigen Fire Hydrant Hose Adapter, 1-1/2" NPT x 1-1/2" NST (NH) Male Hex Fire Hose Fitting Double Male Brass Fire Hydrant Adapter - Image 5](https://m.media-amazon.com/images/I/81tprnvrzjL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ product was A1 *by G***K on 17 January 2024* ### ⭐⭐⭐⭐⭐ A+ quality *by K***R on 26 August 2025* ### ⭐⭐⭐⭐ works great *by T***M on 8 December 2025* --- ## 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.co.uk/products/442851411-boltigen-fire-hydrant-hose-adapter-1-1-2-npt-x](https://www.desertcart.co.uk/products/442851411-boltigen-fire-hydrant-hose-adapter-1-1-2-npt-x) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-05-17*