Posted by fibersplicer on December 2, 2006, 8:01 pm
By "too many components", I mean that I would have to upgrade to a
"closed loop" (also called indirect) solar system. That would involve
quite a few additional components, not the least of which is the
Again, I may have to go this way, anyway.
Posted by SJC on December 2, 2006, 8:48 pm
A drainback system does not have to be closed loop.
Posted by fibersplicer on December 3, 2006, 6:21 pm
Where can I find a diagram of a drainback system which is an "open
Posted by Redigoogle on November 28, 2006, 4:05 pm
The Sunspool draindown valve was popularly installed in the 1980's, but
is no longer manufactured.
Contact us for availability of some replacement parts, such as o-rings