Marley HT internal drainage - Safe wastewater solution for your home

Marley HT internal drainage systems provide you with a sophisticated, robust and flexible internal drainage concept for your building. Whether bathroom, kitchen, utility room or cellar, our HT pipes and fittings reliably drain wastewater from your home.

Why Marley HT internal drainage

• High-quality material & temperature resistance:Marley HT pipes are made of polypropylene (PP), are manufactured in accordance with standards for internal drainage and can withstand temperatures of up to 90 °C, even hot waste water.
• Chemically and mechanically robust:They are resistant to common household salts, alkalis and acids, making them ideal for kitchen, dishwashing, washing and shower wastewater.
• Standard-compliant quality & tested safety: Our systems meet the requirements of DIN EN 1451-1 and are flame-retardant to construction class B1 in accordance with DIN 4102 - for reliable safety, a Marley hallmark.
• Quick and easy installation: Pipes and fittings can be laid very easily and efficiently thanks to push-fit sleeve connections with factory-fitted lip seals.
• Flexible system for many applications: Whether hand basin, washing machine, shower/bathtub, sink, dishwasher, WC or risers - the system covers almost all common drainage situations in the home.
• Low-maintenance and low-noise: high-quality HT pipes with a smooth inner wall are easy to clean, durable and recyclable. Sound measurement in accordance with EN 14366 at 4 l/s according to the Fraunhofer Institute: 26 dB(A).

Range - Everything you need for internal drainage

• HT pipes in various nominal diameters (DN 32, 40, 50, 75, 90, 110) and lengths (150 mm to 2,000 mm) - ideal for different flow rates and areas of application.
• Fittings & connectors such as bends, branches, transition pipes, reducers or sleeves - for flexible pipe routing and clean transitions.
• Siphon and waste water bends for safe drainage of wash water and protection against odors.
• Special accessories such as soundproof hoses, pipe connectors, sleeves, pipe aerators, connection pieces - for convenience, tightness and durability.
• Condensate drains or special connection solutions - if a heating system or gas boiler is connected or for other applications, such as connecting hoses from washing machines and dishwashers.

With this extensive range, you can reliably solve almost any indoor drainage task - from small washbasins to complex sanitary installations.

Applications & areas of use

• Residential buildings and apartment blocks - kitchen, bathroom, WC, laundry room, cellar, etc.
• New builds and renovations - ideal for modern sanitary installations or for conversions and extensions.
• Commercial buildings or public facilities - robust and reliable even with frequent use.
• Renovations of old buildings - even difficult installations can be mastered with fittings and reducers.

Whether new build, conversion or renovation - with Marley HT systems you get a solid, standard-compliant and durable internal drainage system.

Easy installation & planning reliability

Thanks to push-fit socket technology and pre-assembled seals, our systems can be installed quickly and cleanly. Efficient installation is possible even with a small gradient - this saves time, effort and installation costs. The system is also stable in terms of quality and well thought out.

Our selection covers all common nominal widths, so you will find a suitable solution for every household, every home and every building.

Sustainability, quality and responsibility

Marley is committed to high-quality materials and sustainable production. The HT pipes are made of recyclable polypropylene, are flame-retardant and comply with the relevant standards and safety guidelines. The Marley HT system has an Environmental Product Declaration (EPD) issued in accordance with EN 15804+A2 and ISO 14025 / ISO 21930. This means that we not only offer functional safety - but also transparency regarding the environmental impact of the system throughout its entire life cycle.

How to find the right system

If you are planning an indoor drainage system - e.g. for a bathroom, kitchen or washing/sink area - use our search function on the detail pages. Select suitable HT pipes with the correct nominal diameter and length, supplement them with the required fittings and use special accessories if necessary.

With Marley, you have a system that impresses in terms of quality, safety, ease of installation and flexibility - for almost any indoor wastewater situation.

Marley HT internal drainage - your reliable solution for safe drainage

Put your trust in Marley: With our HT internal drainage systems, you get tested quality, durable materials and a comprehensive range - for reliable, standard-compliant and convenient internal drainage. So that water does not become a problem in the house, but is drained away safely and cleanly.