Leak Sealer F4 is suitable to be used throughout a central heating system to seal small leaks and weeps which may cause pressure loss and boiler breakdown. Once dispersed within the system it will be effective 1-24 hours after application. The unique sealing efficiency of this proven product has been specifically developed to prevent blockages or restrictions within the boiler or vulnerable system components such as pumps and safety devices.
Quick and convenient – doses in 30 seconds
Simple to use with no mess
Added via a radiator adapter or filling loop supplied
Non-toxic, environmentally friendly formulation
100% recyclable can
Seeks out and seals most weeps and leaks
Manufacturer Model No
Next Day Delivery
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