Cross post from the DIY thread.
Anyone got a Vailant boiler?
Do you have a woo based hard water doobry fitted to it?
yes and no.
mine's about 7 years old. the gas valve went recently so maybe a gas softener would be a better option...
@ChasnotRobert started
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Cross post from the DIY thread.
Anyone got a Vailant boiler?
Do you have a woo based hard water doobry fitted to it?