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Hi, I have been working on a renovation of a property. We have installed an unvented cylinder heated by a Worcester Bosch system boiler. When testing and commissioning the work we noticed that the boiler was heating the primary circuit when there was no call for heat on the programmer.(heating...

Hi, I have been having issues with my glowworm micron boiler. Last week it started to heat the water for a few minutes then cut out and I had to reset the boiler. Now it needs to be reset every few minutes. I have had two plumbers look at the issue. First plumber replaced the pump. He said the...