📝 12mm Tube Check Valve – Puretec Push-Fit One-Way Valve

The Puretec 12mm Tube Check Valve is a high-quality push-fit one-way valve designed to prevent backflow in 12mm water lines. Built from durable plastic with Puretec’s premium sealing and gripping technology, this inline valve ensures water flows in a single direction—protecting pumps, filters, appliances, and sensitive components in caravan, campervan, RV, marine, and filtration systems.

⭐ Essential Benefits

• Prevents backflow – maintains one-way water direction to protect your system.
• Fast push-fit installation – quick, secure connection with instant sealing.
• Easy grip collet – Puretec’s oval-shaped design allows effortless connect/disconnect.
• Stainless steel internal teeth – ensures strong gripping force and reliable sealing.
• Reusable design – minimises wear on tubing for repeated installations.
• Durable and lightweight – ideal for potable-water plumbing in mobile or fixed environments.

⚙️ Functionality

This Puretec check valve uses dual 12mm push-fit collets to lock tubing securely in place while an internal one-way mechanism prevents backflow. It allows water to move forward freely while stopping reverse pressure spikes, protecting pumps and maintaining system integrity in high-demand plumbing layouts.

🔌 Compatibility

• Suitable for 12mm drinking-water tubing
• Ideal for pumps, filtration systems, tanks, appliances, and manifold layouts
• Fits caravan, campervan, RV, marine, and household water lines
• Recommended for systems where backflow protection is essential

🧰 Installation Difficulty

🟢 1/5 (Easy)
Push the tubing into each collet—ensure flow direction follows the arrow on the valve.

🔍 Features

• Puretec oval-shaped collet
• Stainless steel gripping teeth
• Integrated one-way check valve
• Dual 12mm push-fit connection
• Durable plastic construction
• Suitable for drinking-water applications

📊 Specifications

Specification	Detail
Tube Size	12MM to 12MM (Push-Fit)
Type	Inline Check Valve
Material	Plastic
Connection Style	Push-Fit

📦 What’s Included

• 1 × 12mm Tube Check Valve (Puretec)

🙌 Why Choose This Product?

Puretec fittings and valves are engineered for long-lasting performance with simple, reliable installation. The oval collet improves handling, stainless steel teeth ensure a superior grip, and the built-in one-way valve protects pumps and appliances from damaging backflow. For dependable, professional-grade plumbing, Puretec is the trusted choice.

🚀 Our Promise

Order today for same-day dispatch and explore our full range of Puretec water fittings and off-grid plumbing accessories.