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Winter is over and I am finally in the planning stage of re-piping. In the scan 403piping1, this is the layout of our existing system. The boiler is right in the middle of what I would call a figure 8 configuration. I want to break up the T of the system riser to main, and form 2 separate loops. Is this a good or bad idea?
In scan 403piping2 is a sketch of existing near boiler piping and proposed. In my proposed sketch there are a few things I am unsure of and I need your advice.
1- the boiler manufacturer recomends 3 inch boiler riser and header. Is there any advantage in using 4 inch header?
2- I am unsure how the 2 wet returns would tie in to the Hartford. What is the best way to tie those in?