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So guys, a close coupled system, does the vent and cold feed pipe need to 150mm all the way upto the F&E tank, or, just where they tap into the system?
Also, when you convert an open vented into a sealed, do you put the expansion tank on the feed, and prv on the vent, or what is the best way to go about it?
Also, when you convert an open vented into a sealed, do you put the expansion tank on the feed, and prv on the vent, or what is the best way to go about it?