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pumping away?

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john c.
john c. Member Posts: 4
in THE MAIN WALL
im currently reading dans book pumping away and i have a question i wish to be answered......on page 49 of the book he says i leave the boiler under full size piping(1 1/4)to a tee and pipe 1/2 in boiler drain to the top ....now this is my question do i precede to keep it full size or when do i reduce to 3/4 for my baseboard piping.....thx so much ...john c.

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  • Unknown
    Unknown
    If you take a closer look

    at the drawing (pg.48), I think what he`s saying is stay full size up to the point of your drain valve, as your power-purging everything back towards the boiler. After this, you can use whatever pipe size your system requires. BTW- don`t forget the "ball or gate valve" to separate the two sides.

    Dave
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