Central Heating Home › Forums › Archives › Old Bulletin Board Archives › Central Heating This topic has 0 replies, 1 voice, and was last updated 25 years, 6 months ago by corbia thomas. Viewing 0 reply threads Author Posts 16 May 1999 at 10:15 pm #282417 corbia thomas I have a gas boiler that after switching off by Thermostat makes a kettle noise. How can I rectify this ? Author Posts Viewing 0 reply threads The forum ‘Old Bulletin Board Archives’ is closed to new topics and replies.