Plumbright 10mm Double Seal Insert White plastic

Plumbright Double Seal Push-Fit Pipe Insert

The Plumbright Double Seal Push-Fit Pipe Insert is designed to reinforce and support plastic barrier pipe connections within plumbing and heating systems. Suitable for use with push-fit fittings, this insert helps maintain pipe shape, improve joint integrity, and reduce the risk of leaks in both domestic and commercial installations.

Ideal for plumbing repairs, heating circuits, and wet underfloor heating systems, the double seal design provides additional connection security where long-term reliability is essential.

Key Features and Benefits

• Double seal design helps provide a more secure push-fit connection
• Supports plastic barrier pipe to maintain pipe rigidity inside fittings
• Reduces the risk of pipe distortion and potential leaks
• Suitable for hot and cold water systems
• Compatible with push-fit plumbing and heating installations
• Manufactured from durable polymer material for long-lasting performance
• Quick and simple to install without specialist tools
• Suitable for both professional installers and DIY applications
• Kitemark approved for added confidence and compliance

Suitable Applications and Compatibility

This plastic push-fit insert is designed for use with compatible polybutylene barrier pipe and push-fit plumbing fittings. It is suitable for a wide range of applications including:

• Wet underfloor heating systems
• Central heating pipework
• Hot and cold water plumbing systems
• Microbore heating installations
• Domestic and light commercial plumbing projects
• Repair, maintenance, and new installation work

Role In Underfloor Heating

Within a wet underfloor heating system, pipe inserts play an important role in maintaining secure and reliable connections between plastic pipework and push-fit fittings. By reinforcing the pipe internally, the insert helps prevent deformation when inserted into fittings, improving sealing performance and long-term durability.

The additional sealing support provided by the double seal design helps installers achieve dependable pipe connections in heating systems that operate under continuous pressure and temperature variation.

Guidance

Ensure the pipe is cut cleanly and fully inserted into the fitting with the insert correctly positioned inside the pipe before connection. Always confirm compatibility between the insert, pipe, and push-fit fitting manufacturer specifications before installation.

For best performance, use within correctly designed plumbing and heating systems installed in accordance with current UK regulations and best practice guidance.

Technical Overview

• Push-fit plastic pipe insert for plumbing and heating systems
• Designed for use with polybutylene barrier pipe
• Suitable for hot and cold water applications
• Manufactured from durable polymer material
• Compatible with push-fit plumbing fittings
• Kitemark approved
• Designed for long-term reliability in pressurised systems