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Also I wouldn't of run external soil pipe internally
If it's boxed it, it won't have light on it, so UV degradation not likely. What other problems could this cause?
I must say the close-up of that strap on boss makes it look like there is a gap between the boss and the pipe. Is it just me? Or is it a rubber sealed jobby that doesn't use solvent weld?
Good point. If there's a secondary return, it needs to be in copper.Hot return in HEP?
Reply to the thread, titled "New build upstairs pipework order of & markings" which is posted in Air Sourced Heat Pumps Advice Forum on Plumbers Forums.
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