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Old 10-17-11, 11:44 AM   #43
Daox
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Quote:
Originally Posted by Solaris View Post
A drainback tank only needs to be a small distance below the bottom of the solar collector. The shortest distance is best. Not sure why you would go to all the effort to dig through your floor?
The panels will be roughly 80 feet from the tank on a rack outside. That means I need 20 inches of vertical slope to have all the water drain back to the tank. The lower I can get the tank in the basement, the less fill I'll need outside to bury the pipes.
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