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MLCP Multi-Layered Composite Pipe & Fittings

At LoCO₂ Heat, we specialise in providing high-quality MLCP pipe (PERT-AL-PERT or PEX-AL-PEX pipe), ideal for plumbing and underfloor heating systems. This multi-layered composite pipe is perfect for both domestic and commercial applications, offering flexibility and ease of installation compared to traditional copper systems.

Why Choose MLCP (PERT-AL-PERT / PEX-AL-PEX) Pipe?

MLCP (Multi-Layer Composite Pipe), also referred to as PERT-AL-PERT or PEX-AL-PEX pipe, is designed to navigate tight spaces and corners, making it perfect for installations within walls or under floors. Whether for a new underfloor heating (UFH) system or general plumbing, MLCP pipe offers long-lasting durability and performance.
We stock two leading WRAS-approved ranges: Tweetop pipe and Riifo pipe (formerly known as Rifeng pipe), ensuring compliance with UK water standards for safe and reliable use in plumbing and heating systems.

Showing 33–48 of 80 results

  • Sale! Tweetop 16mm MLCP PERT- Al -PERT Pre-insulation

    Tweetop 16mm MLCP PERT- Al -PERT Pre-insulation

    Original price was: £453.60£378.00.Current price is: £176.98£147.48. Incl. VATExcl. VAT

    Tweetop 16mm Pre-Insulated MLCP (16mm Multilayer Pipe) PERT-AL-PERT The 16mm MLCP Pipe (16mm Multilayer Pipe) from Tweetop is crafted for high-precision and efficient performance in underfloor heating systems. Like all MLCPs, it offers the reliability and durability required for modern heating installations. The 16mm size is particularly well-suited for projects where intricate layouts and tight…

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  • Sale! Tweetop 20mm MLCP PERT-Al-PERT Pre-insulation

    Tweetop 20mm MLCP PERT-Al-PERT Pre-insulation

    Original price was: £299.70£249.75.Current price is: £116.94£97.45. Incl. VATExcl. VAT

    Tweetop 20mm Pre-Insulated MLCP (20mm Multilayer Pipe) The 16mm MLCP (20mm Multilayer Pipe) from Tweetop is crafted for high-precision and efficient performance in underfloor heating systems. Like all MLCPs, it offers the reliability and durability required for modern heating installations. The 20mm size is particularly well-suited for projects where intricate layouts and tight spaces demand…

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  • Sale! Tweetop 25mm MLCP PERT-Al-PERT Pre-insulation

    Tweetop 25mm MLCP PERT-Al-PERT Pre-insulation

    Original price was: £423.90£353.25.Current price is: £165.40£137.83. Incl. VATExcl. VAT

    Tweetop 25mm Pre-Insulated MLCP (25mm Multilayer Pipe) The 25mm MLCP (25mm Multilayer Pipe) from Tweetop is designed for high-precision and efficient performance in underfloor heating systems. This pipe offers the durability and reliability required for modern heating installations. The pre-sleeved design, available in red or blue 9mm insulation, makes it easy to identify and install….

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  • Sale! Tweetop 32mm MLCP PERT-Al-PERT Pre-insulation

    Tweetop 32mm MLCP PERT-Al-PERT Pre-insulation

    Original price was: £301.06£250.88.Current price is: £117.46£97.88. Incl. VATExcl. VAT

    Tweetop 32mm Pre-Insulated MLCP (32mm Multilayer Pipe) The 32mm MLCP (Multilayer Pipe) from Tweetop is designed for high-precision and efficient performance in underfloor heating systems. Like all MLCPs, it offers the durability and reliability essential for modern heating installations. The pipe comes pre-sleeved in either red or blue 9mm insulation, making it easy to identify…

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  • Sale! Tweetop Bending Springs inside 16mm / 18mm / 20mm / 25mm / 32mm

    Tweetop Bending Springs inside 16mm / 18mm / 20mm / 25mm / 32mm

    £2.44 £7.15Price range: £2.93£2.44 through £8.58£7.15 Incl. VATExcl. VAT

    Tweetop Bending Springs (Inside 16mm / 18mm / 20mm / 25mm / 32mm) Tweetop Bending Springs are designed to make bending MLCP and other pipes easy. These springs fit inside the pipe and prevent kinking or damage, ensuring smooth bends for plumbing and heating systems. Key Features: Bending for MLCP: Perfect for creating accurate bends…

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  • Sale! Tweetop Bending Springs outside 14mm / 16mm / 18mm / 20mm / 25mm

    Tweetop Bending Springs outside 14mm / 16mm / 18mm / 20mm / 25mm

    £6.04 £9.79Price range: £7.25£6.04 through £11.75£9.79 Incl. VATExcl. VAT

    Tweetop Bending Springs (Outside 14mm / 16mm / 18mm / 20mm / 25mm) Tweetop Bending Springs are designed to make bending MLCP and other pipes easy. These springs fit around the outside of the pipe and prevent kinking or damage, ensuring smooth bends for plumbing and heating systems. Key Features: Bending for MLCP: Perfect for…

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  • Sale! Tweetop Bevelling Tool - 3 size bevelling tool 16-18-20mm

    Tweetop Bevelling Tool – 3 size bevelling tool 16-18-20mm

    Original price was: £125.93£104.94.Current price is: £89.98£74.98. £89.98£74.98 inc VAT Incl. VATExcl. VAT

    Tweetop MLCP Bevelling Tool – 3 Size (16-18-20mm) | Product Code: 06059704 The Tweetop MLCP Bevelling Tool is a precision instrument for the essential preparation of 16mm, 18mm, and 20mm multi-layer composite pipes. This tool is critical for professionals seeking to achieve consistently clean, burr-free pipe ends, which are fundamental for reliable and leak-tight connections…

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  • Sale! Tweetop Both End Reducing Tee

    Tweetop Both End Reducing Tee

    £2.19 £3.80Price range: £2.63£2.19 through £4.56£3.80 Incl. VATExcl. VAT

    Tweetop Both End MLCP Reducing Tee  The Tweetop Both End MLCP Reducing Tee is a reliable fitting designed for secure and efficient connections across water and heating systems. Made with precision-engineered brass and durable EPDM O-rings, this fitting ensures long-lasting performance for professional plumbing and heating installations. Key Features: Secure Connection: Features integrated EPDM O-rings…

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  • Sale! Tweetop Brass Optimum Manifold circuits for UFH system 1" with flow meters and regulation values

    Tweetop Brass Optimum Manifold circuits for UFH system 1″ with flow meters and regulation values

    £48.26 £184.63Price range: £57.91£48.26 through £221.56£184.63 Incl. VATExcl. VAT

    UFH Manifold Optimum The UFH Manifold Optimum is a practical and efficient solution for managing water distribution in underfloor heating systems. Designed for reliability and ease of use, this manifold ensures that your heating system operates smoothly, with precise control over multiple heating circuits. It is an excellent choice for both residential and light commercial…

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  • Sale! Tweetop Centre and End Reducing Tee

    Tweetop Centre and End Reducing Tee

    £2.17 £3.29Price range: £2.60£2.17 through £3.95£3.29 Incl. VATExcl. VAT

    Tweetop MLCP Centre and End Reducing Tee (U Profile) The Tweetop MLCP Reducing Tee (U Profile) is a versatile fitting designed for secure and leak-proof connections in water and heating systems. Engineered with durable materials and compatible with U-profile pressing tools, this MLCP Reducing Tee fitting ensures long-lasting performance. Key Features: Watertight Connection: Integrated EPDM…

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  • Sale! Tweetop Centre Female Tee

    Tweetop Centre Female Tee

    £2.94 £11.01Price range: £3.53£2.94 through £13.21£11.01 Incl. VATExcl. VAT

    Tweetop MLCP Centre Female Tee – U Profile The Tweetop MLCP Centre Female Tee when you need to branch off with a female BSP thread. The fitting is designed to ensure a secure connection in various PEX applications, including MLCP installs, and underfloor heating installations. How It Works: The Tweetop MLCP Centre Female Tee connects…

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  • Sale! Tweetop Chrome Radiator Elbow

    Tweetop Chrome Radiator Elbow

    Original price was: £19.21£16.01.Current price is: £9.26£7.72. £9.26£7.72 inc VAT Incl. VATExcl. VAT

    Tweetop MLCP Press Elbow 90° 16x15S Connector to CU (Tweetop U Press Radiator Elbow) Tweetop MLCP Press Elbow 90° 16x15S Connector to CU (Code: 06015103). Part of the advanced Tweetop range, this elbow simplifies installation while ensuring durability and precision. It is also called a Radiator Elbow. Key Features: Precision Engineering: 90° elbow connector designed…

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  • Sale! Tweetop Clamp Track 14 - 20mm

    Tweetop Clamp Track 14 – 20mm

    £1.37 £1.62Price range: £1.64£1.37 through £1.94£1.62 Incl. VATExcl. VAT

    Tweetop Clamp Track 14 – 20mm for Underfloor Heating The Tweetop Clamp Track 14 – 20mm is a reliable solution for securing pipework in warm water underfloor heating systems installed in screed or concrete floors. Designed for ease of use, it ensures secure pipe fixing. Customers can choose between options with or without a self-adhesive…

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  • Sale! Tweetop Edging Strip 8 x 150 (25m Roll)

    Tweetop Edging Strip 8 x 150 (25m Roll)

    Original price was: £17.50£14.58.Current price is: £10.00£8.33. £10.00£8.33 inc VAT Incl. VATExcl. VAT

    Tweetop Edging Strip 8 x 150 for Underfloor Heating The Tweetop 25m Roll Edging Strip 8 x 150 is a versatile and essential component for all screed floor installations. Designed to provide both expansion capability and a thermal and acoustic break for heated floors, this edging strip ensures optimal performance for underfloor heating systems. Key…

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  • Sale! Tweetop Female Elbow

    Tweetop Female Elbow

    £1.78 £5.60Price range: £2.14£1.78 through £6.72£5.60 Incl. VATExcl. VAT

    Tweetop Press Elbow 90° with Female Thread – U Profile When you need to make a sharp turn in your MLCP PEX installation and connect to a threaded fitting, the Tweetop Press Elbow 90° with Female Thread is the perfect choice. This elbow combines flexibility with a secure connection, making it ideal for a wide…

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  • Sale! Tweetop Male Adaptor

    Tweetop Male Adaptor

    £1.11 £9.76Price range: £1.33£1.11 through £11.71£9.76 Incl. VATExcl. VAT

    Tweetop MLCP Press Male Adaptor – U Profile The Tweetop MLCP Male Adaptor is designed for secure and reliable connections from MLCP to traditional fittings with a BSP connection. This versatile fitting allows you to connect pipes with ease, thanks to its robust design and precision engineering. Using a U-type pressing tool, the pipe is…

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Key Features:

  • Flexibility: Easily fits around corners and tight spaces.
  • Durability: Long-term performance for underfloor heating and general plumbing.
  • WRAS Approved: Both Tweetop and Riifo pipe meet UK water regulations.

Applications of MLCP (PERT-AL-PERT / PEX-AL-PEX) Pipe:

Originally used for underfloor heating, MLCP is now widely used for various applications, including general plumbing and heating systems. Its multi-layer construction offers additional strength, flexibility, and resistance, making it a preferred choice for heating engineers.

At LoCO₂ Heat, we supply Tweetop and Riifo pipe, both available in a variety of sizes and coil lengths to suit different installation needs. These pipes are PERT-AL-PERT or PEX-AL-PEX and WRAS-approved, ensuring high standards for both underfloor heating and other plumbing projects. For more info on MLCP and Underfloor Heating, please have a look at our blogs