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Old 11/15/2018, 02:49 PM   #1
crawling junk
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diaphragm pump question

does it back syphon? or is it just like the aqualifter


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Old 11/16/2018, 07:49 AM   #2
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It can back siphon (just like an aqualifter ) so we include a tee to make a siphon break and a check valve if needed. You can also simply put the output above the water line and this solves the issue as well.


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Old 11/17/2018, 12:22 PM   #3
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Quote:
Originally Posted by Avast Marine View Post
It can back siphon (just like an aqualifter ) so we include a tee to make a siphon break and a check valve if needed. You can also simply put the output above the water line and this solves the issue as well.


Thanks for the reply. I have the pump already. If i have the output line loop above the pump with its highest point being above the water line of ato bin. Will if break the syphon?

My ato line is blue in this picture




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Old 11/18/2018, 08:37 AM   #4
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That is not an Avast Diaphragm pump


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Old 11/18/2018, 08:38 AM   #5
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....but yes, if you put that blue line above the water level in your sump, it will prevent back siphon.


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Old 11/18/2018, 08:04 PM   #6
crawling junk
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Quote:
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That is not an Avast Diaphragm pump


I know lol. I have a brand new one in the box. Just asking the questions before i install it and run all the tubing


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