Knowledge Center - Fittings, Valves, Unions

• How to choose the right thermostatic head for your radiator
• What size and type of O-ring do I need for connections
• Installation and mounting of Vekoluxivar valves in a two-pipe system
• Comparison of straight and angle valves for heating systems
• Common faults and water leaks in union fittings and valves
• Maintenance and replacement of seals on thermostatic heads
• Why I Can't Fully Close the Radiator – Solution
• Difference between lacquered and standard plastic sleeve on the head
• When to Replace Old Union Fittings and Which Material to Choose
• Frequently asked questions about fittings, valves and connecting materials