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Shower Problems With Combi and Electric Shower on Ground Floor

Postby farview123 » Sat Oct 29, 2016 4:47 pm

i have a combi boiler in utility and have an electric shower in ground floor
extension fed off 15mm cold water to hand basin tap. there is no
pressure from shower. i did read elsewhere that showers should be
plumped directly into 22 mm but since on this forum noticed that
15mm cold suplly is usual to feed combi system.what can i do
to improve shower as refitting this room.i have considered running
pipe from outside mains into shower room directly- as cannot
trace combi biler pipework to etension. please advise best way forward
many thnks norma
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Joined: Sat Oct 29, 2016 4:29 pm


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