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The Whale 12 mm Stem Elbow – WU1222B is a compact 90° plumbing fitting designed to change flow direction and connect 12 mm pipework in caravan, motorhome, boat and RV water systems. It features a 12 mm push-fit connector on one end and a 12 mm stem outlet, allowing quick, tool-free assembly with standard push-fit pipework for fresh or grey water applications. This fitting’s simple, reliable design makes it ideal for installers and DIY enthusiasts alike.
90° Angle Design – Allows neat changes in pipework direction without sharp bends.
Push-Fit Connection – Fast, tool-free fit to 12 mm pipework.
Standard 12 mm Size – Works with common caravan and marine plumbing systems.
Corrosion-Resistant Plastic – Durable construction suited to moisture-prone environments.
Versatile Use – Perfect for fresh water, grey water and general plumbing runs in leisure vehicles.
Model: WU1222B
Pipe Size Compatibility: 12 mm push-fit pipework
Angle: 90° directional elbow
Connection: Push-fit fitting with stem outlet
Material: High-quality white plastic
Applications: Fresh water lines, grey water drains, general water plumbing
| Diameter | 12mm / 1/2" |
| Angle | 90 Degree |
| Brand | Whale |
| Type | Stem Elbows |
| Colour | White |
| Primary Construction | Plastic |
| Fitting | Elbow|Push-Fit Fitting |
| Diameter Description | For 12mm Pipe |
✅ 1 × Whale 12 mm Stem Elbow – WU1222B
Sold as a single elbow fitting; hoses and additional fittings not included.
✔ Quick Installation: Push-fit design simplifies plumbing jobs without tools.
✔ Neat Pipe Routing: 90° angle keeps water lines tidy and compact.
✔ Durable Build: Corrosion-resistant plastic performs well in water systems.
✔ Compact & Lightweight: Easy to use in tight spaces under sinks or behind panels.
✔ Standard Size: Designed to integrate with common 12 mm push-fit water lines.
Caravan & motorhome freshwater plumbing runs
Marine and boat water systems
DIY plumbing upgrades or maintenance
RV conversions where 12 mm push-fit pipework is used
Ensure pipe ends are clean and free of debris before fitting.
Push the 12 mm pipe fully onto the push-fit side until secure.
Use appropriate pipe supports and clips to hold runs in place and prevent stress on the fitting.
Suitable for cold water and grey water applications; not designed for high-pressure mains systems.
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