Skip to content

We don't earn a commission on these links; we list them to help you compare, with prices as seen on the date shown. How this works

Fernox

Fernox F1 Central Heating Protector - 265ml Bottle

£13.13

Price as of November 10, 2026 at bes.co.uk. Prices change; the retailer shows the price today.

A 265 ml bottle of central heating protector.

Published by . How we check each heating contractor.