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Fernox Leak Sealer F4 500ml

Fernox

Fernox Leak Sealer F4 500ml

Fernox F4 leak sealer in a 500ml container, classed as a leak sealer for heating system use.

Manufacturer part no.
56603
Showing prices

£38.77

£32.31 ex. VAT · VAT at 20%

Available to order · 5-7 working days
Available to order · 5-7 working days
Not certain it's the right part? The technical team verifies fitment before dispatch — no charge, and it stops a second trip.

Same-day dispatch

Ordered by 4pm Mon–Fri, 10:30am Sat.

30-day returns

Unused, in original packaging.

What it is

The Fernox F4 Leak Sealer 500ml is a leak sealer manufactured by Fernox. It is classed in the leak sealers category and is supplied in a 500ml container.

Before you order

  • Alternative part numbers are listed for this product: 56603. Check the alternative part number against your requirements before ordering.

Not sure which part?

Tell the parts assistant what it's going into — the appliance make and model, or the GC number off the data badge — and it will check this part is on the fit list.