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LK Group

LK Group

  • LK Systems

    LK Systems is the leading manufacturer of easy-to-install systems for heating and tap water distribution and pre-insulated pipes in the Nordics. Through our prefabrication factory, we also provide tailor-made solutions that simplify the installation process even further. Svenska English Norsk Suomi

  • LK Armatur

    LK Armatur is a leading producer in Europe, manufactures millions of valves per year for the global HVAC market. Our solutions are based on a comprehensive view of how valves, control units, components and prefabricated products work together. Svenska English Deutsch Italiano Yкраїнська Suomi

  • LK Pex

    Our PEX Pipe Extrusion business area is an innovative manufacturer of high-quality plastic pipes for the heating and plumbing industry. Our core is the efficient, high-technology production process for crosslinked PE-Xa pipes, resulting in products with a unique combination of flexibility and hydrostatic strength. English

  • LK Group

    LK is a family-owned trading and production group, operating on a global scale within the HVAC-area. We are the market leader in Sweden and has an increasing sales of products, systems and solutions in the Nordic countries, Europe and the USA. Svenska English
LK Prefab Header Factory

LK Prefab

Designed. Built. Delivered.

Prefabricated manifold cabinets, wet room modules and shaft solutions

Prefabrication enables faster, safer and more cost-effective HVAC and plumbing installations. At our factory in Gävle, we manufacture bespoke prefabricated solutions for the professional HVAC industry.

As a market leader in Sweden, LK combines a broad product range with extensive technical expertise and practical experience. The LK Prefab range includes manifold cabinets, wet room modules, shaft solutions and customer-specific assemblies for heating and tap water systems.
Opened manifold cabinet

Manifold cabinets

LK manifold cabinets for heating and tap water systems are available as standard solutions or bespoke configurations tailored to specific customer and project requirements.

Learn more
Wet Room Module

Drain stack replacement

LK Wet Room Module SAFE Q enables fast and safe pipe & riser replacement in bathrooms. It is designed to meet the industry regulations issued by Safe Water (Säker Vatten) & Swedish Ceramic Tile Council (Byggkeramikrådet).

Explore the solution
iso max shaft solutions

Shaft solutions

LK shaft solutions and installation products support a wide range of building-services applications beyond conventional heating and plumbing installations.

Discover more

Type approval SP method 5676

Type approval is the difference between safety and risk

LK products are tested and approved in accordance with SP method 5676. With these solutions, you get maximum protection against leakage, complete documentation and installations accepted by insurers – always with a focus on safety, quality and long service life.

Always choose type-approved installations

Proven prefabricated solutions for real projects

construction-lk prefab team

LK Prefab has supplied products and systems to a wide range of construction projects. Explore projects featuring manifold cabinets for heating and tap water, wet room modules, installation products and bespoke prefabricated solutions.

construction - lk systems team

Get it right from the start

LK is involved from the planning and design stages, helping you specify HVAC and plumbing solutions correctly from the outset. Our experienced design engineers select the appropriate materials and components to provide complete solutions that perform reliably in real-world installations.

Explore LK Prefab Solutions 

Minimal on-site handling

In addition to faster installation, prefabrication helps reduce on-site storage costs. We deliver clearly labelled packages to the right place at the right time. Every shipment is packed to minimise manual handling on the construction site.

Purchasing becomes simpler, delivery checks more efficient and administration easier. Tell us about your project, and we will develop an efficient, bespoke solution – from individual units to high-volume deliveries.

Contact our experienced sales team to discuss your project. We look forward to hearing from you.

Watch LK Prefab in action

These videos are currently available in Swedish only. English-language versions are coming soon.

Welcome to LK Prefab

Välkommen till LK Prefab

LK Wet Room Module SAFE Q

LK Våtrumskassett SAFE Q

LK Prefab Webinars

LK Våtrumskassett SAFE Q - webbinarium