Description
Bronze Underwater Junction Box – 4 Ports | UJ4 / UJ4B
Reliable Submersible Power Distribution for Fountain & Underwater Lighting Systems
Easily connect multiple underwater fountain lights to a single power supply using this solid bronze 4-port junction box. Built for harsh aquatic environments, the UJ4 and UJ4B models feature precision-sealed compression ports and a rugged bronze body that withstands submersion and long-term use.
Designed for clean, waterproof installations, these junction boxes are used in commercial and residential fountain lighting systems and must be filled with junction box potting compound (sold separately) after installation for maximum seal integrity.
🔧 Models Available
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UJ4 – Solid bottom (no inlet)
Dimensions: 4 1/8″ Dia x 1 7/8″ H -
UJ4B – With 1″ FPT bottom inlet
Dimensions: 4 1/8″ Dia x 2 7/8″ H
🌟 Key Features
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✅ 4 Compression-Sealed Outlets – Connect up to 4 fountain lights securely
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✅ Durable Bronze Construction – Corrosion-resistant for long-lasting underwater use
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✅ Optional Bottom Inlet (UJ4B) – For inline plumbing or protected conduit feeds
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✅ Compact and Functional Design – Small footprint for discreet submersion
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✅ Supports Up to 3/8″ Wire Thickness – Versatile compatibility with standard lighting cables
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✅ Requires Potting Compound – Seal all connections permanently after installation
📊 Technical Specifications
| Feature | Specification |
|---|---|
| Product Models | UJ4 (solid bottom), UJ4B (1” FPT bottom inlet) |
| Material | Cast Bronze |
| Outlets | 4 ports with compression seals |
| Max Wire Diameter | 3/8″ |
| Inlet (UJ4B only) | 1” FPT |
| Dimensions UJ4 | 4 1/8″ Dia x 1 7/8″ H |
| Dimensions UJ4B | 4 1/8″ Dia x 2 7/8″ H |
| Potting Compound | Required (sold separately) |
| Weight | 1 lb |
| Application | Underwater junction for fountain lighting |
🛡️ Warranty
1-Year Manufacturer Warranty
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