Description
12mm (5⁄16″) Push-Fit Female Adaptor | 1/2″ BSP Female | Non-WaterMark
Product Overview
The 12mm (5⁄16″) Push-Fit Female Adaptor – 1/2″ BSP Female is a compact plastic connector designed to link water filtration systems using 5⁄16″ (12mm) tubing to 1/2″ male BSP fittings.
Commonly used in caravan, RV, and under-sink water filter installations, this adaptor features a flat-face female BSP seal, allowing secure connection without the need for PTFE tape. The push-fit design enables fast, tool-free installation.
⚠️ Note: This fitting is NOT WaterMark approved and should be used only in suitable non-regulated applications such as filtration systems.
✅ Key Features & Benefits
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Push-Fit Connection – Quick and easy installation with no tools
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5⁄16″ (12mm) Tubing Compatibility – Suits common water filter tubing
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1/2″ BSP Female Thread – Connects to standard male BSP fittings
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Flat-Face Seal – No PTFE tape required
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Hand-Tighten Only – Prevents thread damage and over-compression
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Compact & Lightweight – Ideal for tight installation spaces
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Great Value Connector – Reliable and easy to use
⚙️ Technical Specifications
| Specification | Details |
|---|---|
| Product Type | Push-Fit Female Adaptor |
| Tube Size | 5⁄16″ (12mm) Push-Fit |
| Thread Size | 1/2″ BSP Female |
| Seal Type | Flat-face seal |
| Material | Plastic |
| WaterMark | ❌ Not WaterMark approved |
| Installation | Hand-tighten only |
🛠️ Applications
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Caravan & RV water filtration systems
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Under-sink filter installations
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Connecting 5⁄16″ tubing to BSP fittings
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Compact plumbing and water system setups
⚠️ Installation Notes
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Do not use PTFE tape
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Hand-tighten only – do not over-tighten
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Not suitable where WaterMark certification is required
📦 Package Includes
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1 × 12mm (5⁄16″) Push-Fit to 1/2″ BSP Female Adaptor


