Technical credibility

Ridgeline technical expertise.

A UK-designed corrugated 316L stainless steel plumbing system, backed by product data, approvals and technical support.

Ridgeline helps installers, specifiers, merchants and homeowners make better decisions about whole-home water delivery, hot and cold water distribution, heat-pump flow and return pipework, and stainless steel plumbing materials.

What Ridgeline is

Ridgeline is a flexible stainless steel plumbing system built around corrugated 316L stainless steel tube and dedicated connection technology. It is designed for water applications across the whole home, including hot water, cold water, heating, heat-pump flow and return, underfloor heating and final connections.

The core material claim is precise: Ridgeline tube gives a 316L stainless steel water-contact surface. The protective outer sleeve is outside the tube and does not form the drinking-water path.

How we support specification

Proof area What to use Where to go
Product data Data sheets, size information, pressure and temperature information. Technical downloads
Approvals WRAS and KIWA documents, where applicable to the selected product. Certificates
Product selection Tube, Flexis, Underfloor and fitting system information. Product range
Project support Help with applications, sizing questions and technical details. Contact the team

How we write technical content

Ridgeline technical guides are written to answer real questions clearly before recommending a product. Claims should be specific, visible on the page, and supported by product documents or recognised external sources where appropriate.

  • We say "UK-designed" unless manufacturing origin is being discussed separately.
  • We describe Ridgeline as a water system, not a gas product.
  • We distinguish the three user-facing product families: Ridgeline, Flexis and Underfloor.
  • We describe P1 and RidgeLock as connection systems for Ridgeline tube.
  • We avoid vague claims and explain the practical mechanism behind each benefit.

Where to start

If you are comparing pipework materials, start with the drinking-water pipe material guide. If you are working on a heat-pump project, start with the air source heat pump pipework guide. For project use, download the product data and speak to the technical team before final specification.

Need product proof for a project?

Use the technical downloads, request a sample, or ask Ridgeline to help with a specific application.

316L marine-grade stainless WRAS approved KIWA certified 15 bar at 150 degrees C UK designed