--- product_id: 110702504 title: "2 inch Spa Heater Split Nut Unions (1 Pack)" brand: "uceder" price: "€ 26.37" currency: EUR in_stock: true category: "Uceder" url: https://www.desertcart.at/products/110702504-2-inch-spa-heater-split-nut-unions-1-pack store_origin: AT region: Austria --- # Precision 2" heater assembly fit Compatible with top spa brands (Balboa, Gecko, HydroQuip) Includes durable metal split nut & screw 2 inch Spa Heater Split Nut Unions (1 Pack) **Brand:** uceder **Price:** € 26.37 **Availability:** ✅ In Stock ## Summary > 🔥 Upgrade your spa game with precision fittings that just click! 🔩 ## Quick Answers - **What is this?** 2 inch Spa Heater Split Nut Unions (1 Pack) by uceder - **How much does it cost?** € 26.37 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.at](https://www.desertcart.at/products/110702504-2-inch-spa-heater-split-nut-unions-1-pack) ## Best For - uceder enthusiasts ## Why This Product - Trusted uceder brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Last:** Crafted from robust metal and high-quality materials to withstand spa conditions and ensure longevity. - • **Avoid Costly Mistakes:** Clear size markings prevent thread misalignment and installation errors—no more guesswork. - • **All-in-One Installation Kit:** Comes complete with split nut, screw, and premium O-ring gasket for hassle-free setup. - • **Brand-Trusted Compatibility:** Works flawlessly with Balboa, Gecko, HydroQuip, Spa Builders, Correctech, and Spanet systems. - • **Perfect Fit, Zero Guesswork:** Engineered with exact 2.3" & 3.12" inner sizes for seamless heater assembly integration. ## Overview This 1-piece Spa Hot Tub Heater Split Nut Union set includes a metal split nut with screw and a high-quality O-ring gasket, designed specifically for 2" heater assemblies. Compatible with leading spa brands like Balboa, Gecko, and HydroQuip, it ensures a secure, leak-free connection with precise sizing to prevent installation errors. Durable and easy to install, it’s the essential upgrade for maintaining your spa’s heating efficiency. ## Description Here is 1 pcs Heater Split Nut Unions with Screw , 1 pcs Heater Gasket / O-ringsActual Split Nut Measurement : The inner size (back side) is 2.3 inch, the inner size (front side) is 3.12 inch.Actual Oring Measurement: The inner size is 2.08 inch, the outer size is 2.87 inch.the O-ring fits for Balboa,Gecko,HydroQuip,Spa Builders,Correctech,Spanet,not fits LX Heater,the split nut fits 2" Heater Assemblies Made by Balboa,Gecko,HydroQuip,Spa Builders,Correctech ## Features - Package Include 1 pcs Heater Split Nut Unions with Screw , 1 pcs Heater Gasket / O-rings,we suggest that make sure the size matches your project before purchasing! - Split Nut Measurement：The inner size (back side) is 2.3 inch, the inner size(front side) is 3.12inch,fits 2" Heater Assemblies,not fits LX Heater - Actual Oring Measurement：The inner size is 2.08 inch, the outer size is 2.87 inch，O-ring fits for Balboa,Gecko,HydroQuip,Spa Builders,Correctech,Spanet,not fits LX Heater - Please find the mark(1or 2) on each split nut,the same number can be matched successfully,otherwise the thread will be misaligned - Please not choose the same size as your pipe,because the same size will be too tighten to be installed. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07F3Z6TFL | | Best Sellers Rank | #113,065 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #2,587 in Pool & Spa Replacement Parts | | Brand Name | UCEDER | | Color | White | | Connector Type | Union | | Customer Reviews | 4.2 4.2 out of 5 stars (457) | | Global Trade Identification Number | 06950787225650 | | Item Weight | 0.11 kg | | Manufacturer | pool spa part store | | Manufacturer Part Number | 541 | | Material Type | Metal | | Model Number | 541 | | Number of Packs | 1 | | Number of Pieces | 2 | | Set Name | 1 | | Size | 2 inches | | Thread Size | 1.5 inches | | Thread Type | NPT | | Unit Count | 1 Count | ## Product Details - **Brand:** UCEDER - **Color:** White - **Connector Type:** Union - **Item Weight:** 0.11 kg - **Material:** Metal - **Number of Packs:** 1 - **Number of Pieces:** 2 - **Size:** 2 inches - **Thread Size:** 1.5 inches - **Thread Type:** NPT ## Images ![2 inch Spa Heater Split Nut Unions (1 Pack) - Image 1](https://m.media-amazon.com/images/I/61yix5BkGsL.jpg) ![2 inch Spa Heater Split Nut Unions (1 Pack) - Image 2](https://m.media-amazon.com/images/I/41JGv3Hbs3L.jpg) ![2 inch Spa Heater Split Nut Unions (1 Pack) - Image 3](https://m.media-amazon.com/images/I/51T8MzfQxaL.jpg) ![2 inch Spa Heater Split Nut Unions (1 Pack) - Image 4](https://m.media-amazon.com/images/I/41acgNjJGjL.jpg) ![2 inch Spa Heater Split Nut Unions (1 Pack) - Image 5](https://m.media-amazon.com/images/I/41TN08nW9PL.jpg) ## Available Options This product comes in different **Size** options. ## Frequently Bought Together - UCEDER 1pcs Spa Hot Tub Heater Split Nut Unions with Screw and 1 pcs Heater Gasket/O-rings(Actual Size 3 Inch,Suitable for 2 Inch Heater Assemblies) - UCEDER 2 Pack Spa Hot Tub Heater Split Nut Unions with Screw, 2 pcs Heater Gasket/O-Rings,(Actual Size 3 Inch,Suitable for 2 Inch Heater Assemblies) --- ## 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.at/products/110702504-2-inch-spa-heater-split-nut-unions-1-pack](https://www.desertcart.at/products/110702504-2-inch-spa-heater-split-nut-unions-1-pack) --- *Product available on Desertcart Austria* *Store origin: AT* *Last updated: 2026-08-30*