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Post in thread: Indirect Drain back Short Cycling
Thankyou for the response! Can you elaborate on what Back Siphoning is in a system like mine, and maybe why it will cause the pump to short cycle? I'm confident the pump seal is good and I can hear water dribbling into the drainback tank like normal. Is there a certain procedure for...- Reaction score: 0
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Post in thread: Indirect Drain back Short Cycling
Hello All! First off This is a fantastic site! Thankyou for being here! So I have an ancient two tank indirect drainback system and early this summer it's Grundfos UP 26-64F pump quit. I replaced it with the UP 26-99F that Grundfos recommended as the UP 26-64F was discontinued 300 years ago. I...- Reaction score: 0