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by Billy Boy
Mon Jul 29, 2024 7:56 pm
Forum: Plumbing Forum
Topic: Central heating upgrade
Replies: 2
Views: 224

Central heating upgrade

I have just converted my single pipe system to a 2 pipe system and as the downstairs rads were set in the solid floor all pipes now are fed from the 1st floor with a 22mm flow and return feeding off in 15mm to the 16 rads. The existing pump is a grundfos Alpha 2 15-50 130 which is struggling to circ...
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