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Posted by Jeremiah on September 09, 2008 at 18:04:29:
I have a question on the expansion tank location. I have three alternate spots for it as indicated in this picture. I'm not sure if it always has to be on the supply side? If so, I know it should come before the pump, but I have two pumps. I'm wondering if it should go before the return pump (and so, both pumps), or the supply pump, and if the supply pump, should it be on the same side or on the opposite side of the low loss header?
http://i479.photobucket.com/albums/rr151/jeremiahjm/boilersetup1.jpg