Products for Underfloor Heating

LK 419 Manifold Shunt........................................................................................... 151

LK 420 MiniShunt 2.0 ............................................................................................. 152

LK 421 Manifold Shunt........................................................................................... 154

LK 422 Manifold Shunt Tmax ................................................................................. 156

LK 423 MiniLoop RTC............................................................................................. 158

LK 435 OptiFlow ..................................................................................................... 161

LK 440 EasyHeat .................................................................................................... 163

LK 450 EasyHeat P................................................................................................. 164

LK 450 EasyHeat M ................................................................................................ 167

Other Products

LK 315 BallValve .....................................................................................................169

LK 322 CoolUnit ......................................................................................................170

LK 360 NetMag .......................................................................................................173

LK 519 ThermoSafe ................................................................................................175

LK 522 FilterBall.....................................................................................................176

LK 522 FilterBall Magnet........................................................................................179

LK 556 AntiFreeze...................................................................................................182

LK 700/705 AeroMat ...............................................................................................185

LK 770 AeroSafe......................................................................................................186

LK 924/925 SafetyGroup .........................................................................................188

LK 994 SafetyGroup ................................................................................................190

LK MultiConnection ................................................................................................191

Transition Fittings...................................................................................................193

Prefabricated pipes.................................................................................................195

Company Information

LK ARMATUR - Easy to choose................................................................................. 3

New products 2025 .................................................................................................... 4

Accessable anytime, anywhere ................................................................................. 6

Expert help when you need it most ......................................................................... 23

Exhibitions 2025..................................................................................................... 105

From concept to finished product.......................................................................... 197

Sustainability ......................................................................................................... 198

LK GROUP ............................................................................................................. 200

LK ARMATUR......................................................................................................... 201

LK Armatur - Your Partner for Heating and Hot Water Solutions

At LK Armatur, we’re more than just a valve manufacturer; we’re your partner

in creating efficient heating and hot water solutions. With millions of valves

produced annually, we understand how every component interacts in your unique

applications. From standard products to custom solutions in Valves, Electronic

Heat Regulation, Prefabrication, and Accessories, we’re here to meet your specific

needs. Our focus on energy efficiency and environmental responsibility helps

you address the challenges of energy shortages and climate change. Choose LK

Armatur for quality, customization, and reliability in every project.

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