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Hi, I have recently had a Glow-worm 30sxi system boiler installed, at first the pressure decreased most weeks and required increasing using a plastic tap next to the boiler, the installer recommended we keep it around 1.5 and dont let it go below 0.9. We now seem to have the reverse...

Hi, We have recently had a GlowWorm 30 sxi installed, I have the following concern. The programmer has both hot water and heating set to off. However,the boiler seems to be on fairly constantly producing hot water only. The immersion switch is set to off. There is a termostat on the...