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- 25 Oct 2007
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Hi,
Just had a new Combi boiler fitted instead of a conventional boiler as an in place replacement. As with other people have been told I needed a 22mm gas feed. What I don't understand is that I have a 15mm pipe coming from my main gas supply to which my plumber has attached a 22mm pipe which runs to the boiler.
How does this give the extra supply? Surely it will still be a 15mm supply so I might as well have used the original 15mm supply pipe.
Shouldn't he have upgraded the 15mm pipe from the gas box too?
Any help would be much appreciated.
Just had a new Combi boiler fitted instead of a conventional boiler as an in place replacement. As with other people have been told I needed a 22mm gas feed. What I don't understand is that I have a 15mm pipe coming from my main gas supply to which my plumber has attached a 22mm pipe which runs to the boiler.
How does this give the extra supply? Surely it will still be a 15mm supply so I might as well have used the original 15mm supply pipe.
Shouldn't he have upgraded the 15mm pipe from the gas box too?
Any help would be much appreciated.