Tigris K1 Press-Fit

The Patently Superior System

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Widely specified throughout Europe, Wavin Tigris K1 is proven and perfected to deliver high performance and significant cost savings in a wide range of commercial plumbing and heating projects.

Its patented design has been relentlessly engineered to optimise all the benefits of a composite metal-plastic press-fit system and deliver the optimum solution for sanitary, potable water and heating applications, including re-circulating systems.

System Overview

  • Multilayer, press-fit system for potable water, sanitary and heating applications in high rise residential, healthcare and large scale industrial and commercial builds.
  • Optimises press-fit benefits:
    • Quick, safe and proven connections with no soldering, welding, thread cutting or hot works permit required.
    • Flexible pipe means fewer fittings and faster/cheaper installation.
  • The Wavin Lifetime Assessment Tool gives ‘green-light’ specification assurance.
  • The system carries a 10 year guarantee, has DGWA and KIWA approvals and is tested and certified to BS6920:2000 and ISO en 21003.
  • Supported by Wavin project teams, our technical centre and online resources.
  • Winner of a European Design Award.



Advantages in practice:

  • Low weight
  • Dimensions from 16mm to 75mm
  • Significantly fewer fittings needed due the ease of pipe bending and long pipe coils
  • Easy bending with dimensional stability is ideal for tight
    installation situations
  • Quick and safe assembly
  • Resistant to oxygen diffusion
  • Suitable for all water qualities
  • Free from scale build up
  • Corrosion resistant
  • Minimal length expansion
  • Pressure and temperature resistant

Product Details

Wavin Tigris K1 Press-Fit Fittings

1. Defined-leak window reveals unpressed fittings at pressure test.
2. Patented hexagonal nose reduces push-in force.
3. Robust PPSU fitting for corrosion and temperature resistance.
4. Available in sizes 16 - 75mm.

See the range

Multilayer Composite Pipe

1. Inner plastic layer of cross-linked polyethylene, an outer plastic layer of HDPE and aluminium layer in between.
2. Multilayer composite pipe resistant to oxygen diffusion with a thermal expansion comparable to copper.
3. Flexible pipe means fewer fittings and faster, lower cost installation.

Free Sample

Wavin Tigris K1 - A Comprehensive Overview

A comprehensive overview of the press-fit plumbing system.

Help and Support

How to Connect Wavin Tigris K1

An instruction video on connecting Tigris K1.

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Product and Installation Guide

Wavin Tigris K1 Product and Installation guide PDF.

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Contact Technical Support

Our friendly Customer Services team are always on hand to help with any enquiry, and our Technical Team can provide free project support – either on-site or remotely.

Get in Touch

CPD - Online Course

This course looks at assessing the lifetime of a continuously operated re-circulating system 

View course

Case Studies

Norwich City Council

Sheltered accommodation provides homes to some of societies’ most vulnerable. When Norwich City Council looked to refurbish some of its properties for this crucial purpose, the council’s specifier turned to Wavin for a plumbing solution to tick all the project’s boxes.

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Luxury Folkestone Development

Wavin, has supplied a new luxury housing development in Kent with its high-performance composite pipe system, Tigris K1.

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Esker Education Together National School in Dublin

Construction was completed within the planned 34-week timeline, in time for the start of the academic year in September. More than 1,200m of Wavin Tigris K1 pipe was installed during a 16-week period.

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