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**ProffesorPlumb** · 15-04-2008

Its obviuosly coming back up from your HWC cold feed. Is there any other connection to this feed pipe? Or a mains cold teed into your hot water distribution pipe somewhere? Silly as it may sound......

15-04-2008	#2 (permalink)
ProffesorPlumb Moderator Join Date: Jan 2008 Posts: 157	Re: Header Tank Overflow 2 Its obviuosly coming back up from your HWC cold feed. Is there any other connection to this feed pipe? Or a mains cold teed into your hot water distribution pipe somewhere? Silly as it may sound......