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It may sounds like a very silly quiestion, but we have switched gas and electricity supplier just before the new boiler was put in, from SSE to EDF. Assumed regardless of which provider we are with, we should get the same gas supply? (Just thinking of phone provider as an example, vofaphone...

Thanks. I’ll try and get another gas installer to come have a look. Very frustrated that installer never checked the situation before boiler was installed.

So I've just phoned Alpha, and the notes from the engineer who came out for the inspection noted the gas pressure drops to 8 millibar when the hot water is switched on. They said it might be that there is blockage in the pipework, or the pipework is undersized? What I don't understand is I...

thanks. I’ll arrange with alpha tomorrow

Yes, the tap symbol comes up I tired to upload a video but file size is too large

@ianmcd Noted, I’ll be in touch with Alpha again and get them to send an engineer to come back out to carry out another inspection.

The previous was a Combi Boiler too. Here’s some photos of the boiler and pipework underneath. One of my colleague had mentioned that it might be an issue with the diverter valve so I’ve mentioned to the installer, and he said it can’t be that and “it MUST be the pipework size!”

@Gasguru Alpha eng never issued any paperwork after the inspection. I’ll call them to come out and have a look again regarding pressure drop etc. The gas meter is a room in the underground car park, and travelling circa 15m before popping through the concrete floor up to ground level, and it...

Sorry for confusion. So installer is saying pipe work is undersize, they did not flag this up before installing the new boiler. We are not getting hot water unless we put CH on. He said everything is fine and “it must be the gas pipe work being undersized as there are too many bends in the...

Hi there We’ve recently installed a new Alpha Etec Plus 33kw Combi boiler. However, we won’t get hot water unless central heating is put on for at least 15mins. If we put CH on and run the tap straight away, we will get an error “E43” on the boiler. We have had the engineer from Alpha out to...