Whale Stem Reducer 12mm-10mm - WU1210B

Whale Stem Reducer 12mm‑10mm WU1210B

The Whale Stem Reducer 12 mm-10 mm (WU1210B) is a Whale Quick-Connect plumbing adaptor that enables a seamless transition between 12 mm and 10 mm push-fit pipework — perfect for fresh water systems in caravans, motorhomes, campervans and marine applications.

This straight stem reducer helps you join different pipe sizes when integrating older systems, adding accessories or repairing mismatched plumbing layouts without the need for specialised tools.

✅ Why Choose This Stem Reducer?

• Mixed-size compatibility: Securely connects 12 mm pipe to 10 mm pipework using Whale’s Quick-Connect system.

• Push-fit installation: Tool-free connection for fast, simple and effective plumbing joins.

• Reliable and watertight: Designed to withstand movement and vibration common in mobile environments.

• Durable plastic build: Lightweight and corrosion-resistant for long-lasting performance.

• Versatile application: Suitable for hot and cold water systems in caravans, motorhomes and boats.

📦 What’s Included

• 1 × Whale Stem Reducer 12 mm-10 mm (Part No. WU1210B) — quick-connect push-fit fitting for mixed pipe sizes.

This stem reducer ensures flexible plumbing layouts where pipe sizes differ or need reducing.

🚐 Suitable For

• Connecting 12 mm to 10 mm pipework

• Fresh water systems in caravans & motorhomes

• Marine and boat plumbing

• Repairs, upgrades and retrofit installations