Dennis recommended a smaller boiler than we had in the past (a little worrying) it was fitted with the latest modulating controls, and he was right. Instead off the radiators being hot then cold then hot again they are now just warm enough all the time to maintain a constant temperature, and the boiler is only running at about 25% most of the time. His pipework is just a work of art , beautiful to look at and must make the water flow so much better than the jumbled pipework we had before. super tidy workman.
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