Aqualisa 200/400 series leaking at Control unit when on. Dripping when off.

Leaking at the Temperature limiting ring. Stripped down the unit & replaced the seals (including bottom one !). Concerned to find a Pink cartridge is fitted because water is supplied via the hot water cylinder and a header tank for cold supply. Both feeds are boosted by a Monsoon pump then through 22mm pipe. Having read your info, I would have expected it to have been an 022801 - Grey. Families house but work for a living. Me? - well, say no more. Keeps me busy.
Asked 4 years ago by Trevor Walker, Doncaster
I would also have expected a grey cartridge, however if it is leaking from the temperature ring then it will need replacing.

Answered 4 years ago by George Thomson

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