Fernox F4 Express Leak Sealer - 400ml

£15.03 Excl. VAT £18.04 Incl. VAT Best Buy

Availability: In stock

Fernox F4 express leak sealer seeks out and seals most leaks and weeps in sealed systems without causing blockages or pump seizure saving time and money on draining down and unnecessary repairs. It can be quickly and conveniently added via a radiator adaptor or the filling loop supplied.

  • Combats emergency leaks and system pressure loss

  • Simple to use with no mess

  • 100% recyclable can

  • 400ml can

  • Non-toxic, environmentally friendly formulation
Manufacturer Product Number
Manufacturers Warranty
1 Year (Subject to Manufacturers T&C's)
System use
Leak stop
Product Questions
No Questions
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