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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 Product Range_v2

LK Prefab Product Range

From your idea to a complete prefabricated solution

LK Hatches

LK access hatches provide easy inspection and service access to HVAC installations, with multiple configurations for manifold cabinets, shafts and other technical spaces. The hatches can be installed with LK manifold cabinets or as standalone access solutions. Whether the manifold cabinet is installed in a wet zone, a fire-rated wall or visibly in a hallway, there is an LK service hatch to suit the application.

LK Hatch HIDDEN-v2

LK Plaster-in Hatch HIDDEN

LK Hatch HIDDEN can be finished to match the surrounding interior, allowing it to become a discreet part of the wall. Its magnetic closing system creates a clean, unobtrusive appearance while providing fast and easy access to the manifold cabinet.

LK Hatch HIDDEN is available in sizes ranging from 350 × 350 mm to 800 × 710 mm.
LK Frame/Hatch 700 × 350 mm

LK Frame Hatch 700 × 350 mm

This frame and hatch is designed for side-by-side installation of 700 × 350 mm manifold cabinets.

A shared hatch for side-by-side cabinets was developed in response to installer requirements for easier handling and improved site logistics. It also provides a cleaner and more attractive finished appearance.

  • Fewer hatches to handle
  • Cost-effective solution
  • Discreet design
LK Wet Zone Hatch PRESEAL

LK Wet Zone Hatch PRESEAL

LK Wet Zone Hatch PRESEAL features a factory-fitted membrane flange tested and approved for connection to more than 20 waterproofing systems.

Choose between:
  • A tileable hatch
  • A sheet-metal hatch


LK Wet Zone Hatch PRESEAL can be installed with:
 • LK Manifold Cabinet UNI
 • LK Riser Manifold IsoMax
 • LK SECURE Shaft Bottom
 • A standalone shaft or installation
LK Standard Design PRESEAL

LK Standard Design PRESEAL

Frame with hatch designed for use with LK Wet Zone Hatch PRESEAL.
LK Frame/Hatch INB Valve Cabinet 250

LK Frame/Hatch INB Valve Cabinet 250

White, hinged cabinet hatch for the LK Valve Cabinet 250.
LK Frame/Hatch UNI CEILING

LK Frame/door UNI CEILING

Frame with a hinged hatch designed for ceiling installation.

Made in Sweden

All LK hatches are developed and manufactured at our own factory in Gävle.
This allows us to test product function, durability and installation performance, helping ensure that every hatch meets the high level of quality expected from LK.
In addition to the standard range, we manufacture customer-specific hatches in bespoke dimensions.

Watch LK Prefab in action

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

LK Wet Zone Hatch PRESEAL is approved for connection to more than 20 waterproofing systems.

LK Våtzonslucka PRESEAL är godkänd för mer än 20 tätskikt.

See how to install LK Wet Zone Hatch PRESEAL.

Här visar vi hur du monterar LK Våtzonslucka PRESEAL.

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