McAlpine Tubular Swivel P-Trap 50mm Water Seal BT4

The McAlpine BT4 P-trap is a plumbing fixture designed to prevent foul odours and sewer gases from entering a building through the drain. It provides a water seal depth of 50mm to block gases, and features a 1¼" multifit outlet with a swivel design that allows rotation or adjustment for secure fitting in various configurations. The unit conforms to BS EN 274-1:2002, offering a compliant solution for modern drainage systems.

A bidet-oriented option in the range uses a tubular swivel low inlet design with a compact footprint. It accommodates a 75mm water seal trap and measures 50mm x 1¼ inches, delivering space-saving, reliable sealing for bathroom installations. The product is manufactured in white polypropylene, ensuring a lightweight, durable construction with easy alignment and installation.

The McAlpine Tubular Swivel Low Inlet P Trap is available in white polypropylene, with a swivel feature for precise alignment and secure fit. The model is described with variant measurements of 50mm by 1¼ inches and is designed for reliable long-term performance in sanitary applications.

Features

• P-trap prevents foul odours and sewer gases
• Water seal depth: 50mm
• Outlet size: 1¼" multifit
• Swivel design for easy alignment
• Suitable for bidet installations
• White polypropylene construction

Usage

1. Install with appropriate pipe fittings using the 1¼" multifit outlet
2. Ensure swivel is oriented for secure alignment
3. Verify water seal depth during installation to maintain odour protection
4. Confirm conformity to BS EN 274-1:2002 after fitting