Optimize, protect and regulate your property's heating and tap water systems with high-quality technical fittings from LK at Velltra. Maintaining safe and energy-efficient system operation requires mechanical components that can handle pressure changes, control fluid temperatures and facilitate smooth maintenance. LK's extensive range of technical fittings offers everything from robust safety valves and smart filling combinations to precise mixing and shunt valves for optimal flow control. Made of durable and corrosion-resistant materials, these components guarantee the highest operational reliability and long service life in demanding HVAC environments. Explore our type-approved range online for a safe and professional installation.
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LK 523 Vacuum Valve
LK 523 backsuction protection installed in heating & cooling installations, can be installed in any position as position-independent.
5022215
19.7EUR / pc.Add to favorites- Stock status
- Lev. normalt inom ca 1 till 5 vardagar
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LK 525 Actuator 230V 1m Cable
LK Actuator 525 is intended for use with LK Changeover Valve 525, please note that the actuator must not be mounted upside down.
2417340
125.8EUR / pc.Add to favorites- Stock status
- Lev. normalt inom ca 2 till 5 vardagar
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LK 525 Actuator 230V Molex Connector
LK 525 Actuator is intended for use with LK 525 Changeover Valve, please note that the actuator must not be mounted upside down.
2417341
118.7EUR / pc.Add to favorites- Stock status
- Lev. normalt inom ca 2 till 5 vardagar
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LK 525 Connection Cable Molex 1m
For connection to LK 525 Actuator with Molex connector.
2419941
21.1EUR / pc.Add to favorites- Stock status
- Lev. normalt inom ca 2 till 5 vardagar
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LK 525 Diverter Valve 22mm
Diverter valve for combined heating and tap water systems.
6246707
84.8EUR / pc.Add to favorites- Stock status
- Lev. normalt inom ca 1 till 5 vardagar
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LK 525 Diverter Valve 28mm
Diverter valve for combined heating and tap water systems.
6246708
87.6EUR / pc.Add to favorites- Stock status
- Lev. normalt inom ca 1 till 5 vardagar
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LK 528 Cartridge Check Valve
Only for LK 550 Mixing valve dimension 22mm to prevent self-circulation.
4951544
12.9EUR / pc.Add to favorites- Stock status
- Lev. normalt inom ca 1 till 5 vardagar
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LK 535 Filling Valve
Filling valve containing separate shut-off and check valve, valve body made of hot-pressed, dezincification-resistant brass.
4892920
42.4EUR / pc.Add to favorites- Stock status
- Lev. normalt inom ca 1 till 5 vardagar
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LK 538 ThermoFill EA Filling Valve
Filling valve for heating systems, body in dezincification-resistant brass, with straight passage, backflow preventer type EA according to EN 1717.
4892982
38.7EUR / pc.Add to favorites- Stock status
- Lev. normalt inom ca 1 till 5 vardagar
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LK 545 Mixing Unit
Spare part for mixing unit for LK Valve Combination 541 and 548.
23322
131.2EUR / pc.Add to favorites- Stock status
- Lev. normalt inom ca 2 till 10 vardagar
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LK 548 Valve Combination 22mm
The valve combination is composed of LK 508 and LK 545, it is a compact and complete unit for the installation of water heaters.
4311732
168.0EUR / pc.Add to favorites- Stock status
- Lev. normalt inom ca 1 till 5 vardagar
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LK 550 AquaMix Mixing Valve 15mm
Mixing valve for hot water preparation with a thermal insert that regulates the supply of cold water so that the desired temperature is reached.
4920716
87.3EUR / pc.Add to favorites- Stock status
- Lev. normalt inom ca 1 till 5 vardagar
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LK 550 AquaMix Mixing Valve 22mm
Mixing valve for hot water preparation with a thermal insert that regulates the supply of cold water so that the desired temperature is reached.
4920708
96.7EUR / pc.Add to favorites- Stock status
- Lev. normalt inom ca 1 till 5 vardagar
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LK 551 Check Valve
LK Check Valve 551 is a cartridge check valve that can be used as a check valve in heating and cooling systems, pay attention to the flow direction.
4920010
16.5EUR / pc.Add to favorites- Stock status
- Lev. normalt inom ca 1 till 5 vardagar
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LK 551 Coupling Set G15xG20 1-Return Valve
Coupling set for LK Hydromix 551.
4920006
60.8EUR / pc.Add to favorites- Stock status
- Lev. normalt inom ca 1 till 5 vardagar
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LK 551 Coupling Set G15xG20 2-Return Valve
Coupling set for LK Hydromix 551.
4920007
55.2EUR / pc.Add to favorites- Stock status
- Lev. normalt inom ca 1 till 5 vardagar
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LK 551 Coupling Set G20xG25 1-Return Valve
Coupling set for LK Hydromix 551.
4920008
56.0EUR / pc.Add to favorites- Stock status
- Lev. normalt inom ca 1 till 5 vardagar
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LK 551 Coupling Set G20xG25 2-Return Valve
Coupling set for LK Hydromix 551.
4920009
66.6EUR / pc.Add to favorites- Stock status
- Lev. normalt inom ca 1 till 5 vardagar
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LK 551 HydroMix Mixing Valve 15mm Clamping Connection
LK 551 HydroMix is a mixing valve for hot water preparation, the valve has a thermal insert that regulates the supply of both cold and hot water.
4920717
104.0EUR / pc.Add to favorites- Stock status
- Lev. normalt inom ca 1 till 5 vardagar
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LK 551 HydroMix Mixing Valve 22mm Clamping Connection
LK 551 HydroMix is a mixing valve for hot water preparation, the valve has a thermal insert that regulates the supply of both cold and hot water.
4920718
86.7EUR / pc.Add to favorites- Stock status
- Lev. normalt inom ca 1 till 5 vardagar
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LK 551 HydroMix Mixing Valve 28mm Clamping Connection
LK 551 HydroMix is a mixing valve for hot water preparation, the valve has a thermal insert that regulates the supply of both cold and hot water.
4920005
202.4EUR / pc.Add to favorites- Stock status
- Lev. normalt inom ca 1 till 5 vardagar
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LK 551 HydroMix Mixing Valve G15 External Thread
LK 551 HydroMix is a mixing valve for hot water preparation, the valve has a thermal insert that regulates the supply of both cold and hot water.
4920002
120.7EUR / pc.Add to favorites- Stock status
- Lev. normalt inom ca 1 till 5 vardagar
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LK 551 HydroMix Mixing Valve G20 External Thread
LK 551 HydroMix is a mixing valve for hot water preparation, the valve has a thermal insert that regulates the supply of both cold and hot water.
4920003
131.5EUR / pc.Add to favorites- Stock status
- Lev. normalt inom ca 1 till 5 vardagar
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LK 551 HydroMix Mixing Valve G25 External Thread
LK 551 HydroMix is a mixing valve for hot water preparation, the valve has a thermal insert that regulates the supply of both cold and hot water.
4920004
139.1EUR / pc.Add to favorites- Stock status
- Lev. normalt inom ca 1 till 5 vardagar
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LK 551 HydroMix Mixing Valve Rp15 Internal Thread
LK 551 HydroMix is a mixing valve for hot water preparation, the valve has a thermal insert that regulates the supply of both cold and hot water.
4920000
127.0EUR / pc.Add to favorites- Stock status
- Lev. normalt inom ca 1 till 5 vardagar
Our components under LK technical fittings are characterized by their precise mechanical function and high reliability during continuous operation. In the range you will find the necessary valves for a safe pipe system.
- Reliable safety valves: Important protective components equipped with color-coded knobs that automatically relieve the system in the event of any pressure increases.
- Smart combination and filling valves: Functional units, partly delivered in protective insulating casings, designed for smooth filling and flow management.
- Practical ball valves with filter function: Versatile shut-off valves equipped with robust handles in contrasting colors that effectively stop the flow and protect against particles.
- Precise mixing and shunt valves: High-performance thermal valves with adjustable regulators for precise temperature mixing in heating and hot water loops.
When you shop at Velltra, you not only get access to the market's best brands, but also to products that keep their promises. We make it easy, safe and affordable to renew your home with the right plumbing and ventilation solutions. Find your products for LK technical fittings with us at Velltra today and take advantage of fast deliveries and Swedish quality!