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LA-CO SF4 Central Heating Leak Sealer

LA-CO SF4 is 1 Litre which treats up to 10 Radiators. This Leak Sealer is an internal use leak sealer for sealing small leaks and weeping joints within the central heating system. A soft seal will form after 1-24 hours of entering the primary circuit. 

Key Benefits are:

  • Prevents potential water damage
  • Improves central heating system efficiency and conserves fuel
  • Seals leaks within 24 hours 
  • Wont block the pumps, valves or vents
£4.99 inc 20% vat
Price: £4.16