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WebDec 16, 2010 · I have a downfeed single pipe monoflow system. I have two monflow tees on each rad and i have 6 rads on that zone. the problem is that all heaters heat up accept number 4. i've had a few other plumbers look at it and have had dozens of hypothesis. my monoflow tees are feeding up before they run off to the drop. some people say that they … Webrecommended when connecting a downfeed A. Galvanized steel pipe pipe from an overhead water tank to its farthest B. Cast iron pipe outlet, considering hydraulic principle involved? C. Copper tube A. 13, 38, 25, 19 mm ø D. Concrete pipe B. 13, 19, 25, 38 mm ø … only sunscreen on face
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