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sizing monoflo

RMA
RMA Member Posts: 55
in THE MAIN WALL
OK, existing radiators to remain equals 50,500 btu's. existing 32 gpm circulator, 344 mbh boiler,

at 50,500 btu's I think i need a 5gpm circ (10,000 btu's per 1gpm)

what diameter main for a monoflo loop w/ split return?

1" will provide 8 gpm or 80,000 btu's

I am thinking 1" loop with 3/4 branches to the rads.

any comments?

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