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Sold By The m²
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Free Samples
See the finish before you commit
Trade Account
Trade prices on every range
Expert Advice
Speak to our team · 020 4634 2203
Free Delivery
On orders over £300
Sold By The m²
Calculator on every tile and floor
Klarna & PayPal
Spread the cost, subject to status

Trade Prices
Always trade prices, never retail markup.
UK Delivery
£50 flat rate • up to 20 business days.
FENSA Fitting
Professional install available.
by Linx Square
SKU: 168425
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Linx Square
inc. VAT

Linx Square
inc. VAT

Linx Square
inc. VAT

Linx Square
inc. VAT
Plumbright Double Seal Push-Fit Pipe Insert The Plumbright Double Seal Push-Fit Pipe Insert is designed to provide secure internal pipe support and an enhanced watertight seal within plastic plumbing and heating systems. Suitable for use with hot and cold water systems, this push-fit insert helps create reliable pipe connections while supporting long-term system performance. Ideal for both professional installers and DIY customers, this plumbing fitting is commonly used within underfloor heating pipework, domestic heating systems, and general plumbing applications where secure push-fit connections are required. Key Features and Benefits Double seal design for improved leak protection Provides internal support to plastic pipework Suitable for hot and cold water systems Compatible with push-fit plumbing fittings Helps maintain secure and stable pipe connections Designed for use with barrier pipe systems Durable polymer construction for long-lasting reliability Kitemark approved for added confidence and compliance Suitable Applications and Compatibility This push-fit pipe insert is suitable for a wide range of plumbing and heating applications, including wet underfloor heating systems, radiator circuits, domestic water systems, and general plastic pipe installations. Designed for use with compatible push-fit fittings and polybutylene barrier pipe, it helps ensure a secure fit and reliable sealing performance throughout the system. Role In Underfloor Heating Within a wet underfloor heating system, maintaining strong and leak-free pipe connections is essential for long-term efficiency and reliability. Pipe inserts play a critical role by supporting the pipe internally and helping prevent deformation when fittings are connected. The double seal construction provides additional protection against leaks, helping installers achieve a dependable underfloor heating installation with reduced risk of future maintenance issues. Guidance Always ensure pipework is cut cleanly and fully inserted into the push-fit fitting during installation. Pipe inserts should be used in accordance with the fitting and pipe manufacturer's recommendations to maintain system integrity and performance. Suitable for use in domestic plumbing and heating systems where compatible plastic push-fit pipework is installed. Technical Overview Push-fit plastic pipe insert Double seal design for enhanced connection security Suitable for hot and cold water systems Compatible with polybutylene barrier pipe Manufactured from durable polymer material Kitemark approved Designed for plumbing and heating applications including wet underfloor heating systems