Quote:
Originally Posted by Pazil
I am sure this is not the case BUT... are you sure that the back check valve is not installed up side down?
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No its the correct way. It has an arrow saying which way flow is and that arrow is pointed the same direction the pump pumps the water. Ive also tested the check valve to see if its seized and all that and the check valve seems like it works for the most part. I still am skeptical about it though since it is an old part that I think was in a system prior to mine.
Ive tested the pump to without any restrictions and it pumped fine submerged in a bucket of water outside.