Fernox F4 CH Leak Sealer 500ml

In stock
REF
HCHE401
  • Ideal for reducing pressure loss from sealed systems 
  • Seals most weeps and small inaccessible leaks 
  • Saves time and money on draining down and repairing 
  • Does not cause blockages of pump, air vents etc. 
  • Compatible with all metals and materials commonly used in central heating systems 500ml
£17.57 £14.64
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  • Ideal for reducing pressure loss from sealed systems 
  • Seals most weeps and small inaccessible leaks 
  • Saves time and money on draining down and repairing 
  • Does not cause blockages of pump, air vents etc. 
  • Compatible with all metals and materials commonly used in central heating systems 500ml
Fernox F4 CH Leak Sealer 500ml is a chemical designed to plug weeps in your central heating system, bringing pressure back to the system and preventing the need to drain down the entire system.