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One pipe circulation

Welcome to the forum. Although you can post in any forum, the USA forum is here in case of local regs or laws

J

Johnyc86

Jun 6, 2020
43
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Member Type
General Plumber
Hi just wondering does a presurised hot cylinder outlet have to be @470mm on the horizontal like with a open vented cylinder??
 
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The principle is the same when it comes to hot water convection so I guess its still a good idea, not sure what the regs say on that one but without the vent in a cold loft it's not much of a issue
 
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