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Old 10-18-16, 04:32 PM   #215
jeff5may
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lubaka,
Welcome to the forums!

Check out the document in this post:

http://ecorenovator.org/forum/45385-post116.html

In that thread, Memphis used 1/4 inch tubing in a 30 foot borehole. Barely big enough for a 4000 BTU rig. Still works like magic after thousands of hours worth of hot water production.

Last edited by jeff5may; 10-19-16 at 07:46 AM..
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