How to Replace a Boiling Water Tap Filter (UK)
Change the carbon block filter on Quooker, Fohen, Grohe Red and InSinkErator boiling water taps.
QuookerFohenGroheInSinkErator
When to change
6 months typical in medium-hard water. 12 months in soft. Manufacturer light indicator or flow reduction indicates end of life.
Fit
Isolate mains cold. Depressurise tap. Unclip old cartridge (quarter-turn). Fit new. Flush 5 L before use to remove carbon fines.
Frequently asked questions
- Are third-party filters safe?
- OEM only for warranty. Third-party WRAS-approved filters exist but review carbon rating (0.5–1 µm) before fitting.
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