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🔥 Upgrade your spa’s heartbeat with precision-fit heater unions! 🔧
This 1-piece Spa Hot Tub Heater Split Nut Union set includes a metal split nut with screw and a premium O-ring gasket, designed specifically for 2" heater assemblies from leading brands like Balboa and Gecko. With precise inner measurements and a smart marking system to ensure perfect thread alignment, it guarantees a secure, leak-free connection. Lightweight yet robust, it’s the essential replacement part for professional-grade spa maintenance.










| ASIN | B07F3Z6TFL |
| Best Sellers Rank | #100,123 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #2,278 in Pool & Spa Replacement Parts |
| Brand Name | UCEDER |
| Color | White |
| Connector Type | Union |
| Customer Reviews | 4.2 4.2 out of 5 stars (456) |
| 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 |
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