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Ah so pump and either a low loss header or buffer tank. So what pump would you recommend? Thanks again in advance

Thank you very much for a prompt response Picasso. My gut instinct told me it was oversized for the output. The problem with ignoring it is the house never warms up downstairs, the heating can run all night and won’t reach above 19c. Because after the boiler cuts the first time, the temperature...

I’ve had many engineers with no luck, please help! I am running a glow worm 30 HXI boiler, approx 3 years old. It is a three zone system - one zone is the underfloor heating consisting of 5 loops (approx. 35sqm room), another zone is the rads consisting of 7 rads (6 have TRV's) and the final...

Thanks again for your response. It turns out I do have a auto bypass value fitted. Can you please advise how I should find the correct setting on the bypass value? If it's still cutting out, do I need to open the valve further?

Likewise Ian thank you very much. I will search for heating engineers instead! The maximum value is currently set to 12kw by me. I had a glow worm engineer service the boiler just two weeks ago. He recommended the calculation for the KW setting as 2KW per rad and 2KW for the cylinder, which...

Hi Tony, thank you very much for your prompt reply! Really appreciate your help. I have called local plumbers on the basis my boiler kept cycling off and on. They played with a series of settings including the UFH pump speed and the bypass value etc. The floor construction is engineered...

I have tried a number of local plumbers but unfortunately, have had no success. I have a vented heating system and am running a glow worm 30 HXI boiler, approx 2 years old. It is a three zone system - one zone is the underfloor heating consisting of 5 loops, another zone is the rads consisting...