1/2" or 3/4" PEX in slab?

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JFCarbonneau

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Hi,

I am planning the radiant slab installation in our new house in NH. Slab is approximately 1,500 sf.

I have to decide between 1/2" PEX spaced at 12" (5 rolls of 300ft) or 3/4" PEX spaced at 18" (2 rolls of 500ft). What do you think?

Thanks,

JF
 

hj

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Dan Holihan wrote a column about a friend of his who ran "1,000 feet of 3/8" tubing" for a system. The rest of the installation was a comedy of errors and he never told how it was resolved, assuming this was a factual recital of a system.
 
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