Description
Fernox F4 LSI leak sealer seals most weeps and small inaccessible leaks in sealed systems without causing blockages of the pump, air vents etc saving time and money on draining down and unnecessary repairs.
- Ideal for reducing system pressure loss
- Compatible with all metals and materials commonly used in heating systems
- 500ml easy-pour bottle
- Non-toxic, environmentally friendly formulation
Fernox F4 LSI Leak Sealer 500ml
