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.
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.
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.
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.

Visit LK Systems at MCE 2026 in Milan (24–27 March) at Hall 1, Stand R19. Discover LK Metrix (non-invasive flow measurement), LK CombiBoard EPS, LK HeatBoard 18, and other solutions designed for fast installation and reliable performance.
Scroll down to meet the team, explore products, and download brochures in English and Italian.
Want to discuss a project, a partnership, or product selection? Book a meeting with our export team and product specialists.
Download our digital brochures for specifications, guides, and key benefits – available in English and Italian.
The Universal range includes pipes, installation components, installation cabinets, manifolds, fittings and valves – built for flexible distribution solutions.
Complete system range for installations
Cabinets, manifolds, fittings and valves
Tested/approved according to strict regulations and test
methods
LK’s prefabricated HVAC solutions are tailor-made to each project’s requirements, from early design and engineering through to the delivery of ready-to-install assemblies. We manufacture everything in our own facility in Sweden and build complete solutions, so installers can simply install and connect on site, saving time, costs, and minimizing on-site handling.
Our solutions covers everything from prefabricated riser shaft to wet room cassettes/modules for pipe replacement as well as manifold cabinets and other installation products.
You bring the challenge and LK delivers the solution.
LK Systems is one of Northern Europe’s leading HVAC suppliers, established in 1910. We develop smart, easy-to-install system solutions for underfloor heating, tap water, radiator heating and drainage – engineered in Sweden to simplify installation and deliver reliable performance in residential and commercial projects worldwide.