Recent content by GarethMike

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    Potterton Ultra Boiler constantly heating water

    Thanks @CBW and @terryplumb, it appears that the bottom one was not working properly - gone loose. Off for now and I'll sort a new one tomorrow. Thanks all!!
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    Potterton Ultra Boiler constantly heating water

    Here's the tank
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    Potterton Ultra Boiler constantly heating water

    All timers/program control is off. Not sure about the motorised value control
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    Potterton Ultra Boiler constantly heating water

    We haven't got any hot water taps on demanding hot water from the tank and then for the boiler to top up the tank.
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    Potterton Ultra Boiler constantly heating water

    We have a Potterton Ultra 15 (5 years old) which is constantly trying to heat water - there's no pull for hot water. I've checked the pressure - sat at 1.5 psi - tried a reset but nothing. Tried the manual, which is pretty poor to be honest on trouble-shooting. Any ideas?
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