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Thread: shurflo question- no vac readings on a no flow day

  1. 03-21-2018, 04:46 AM #31
    Dale Sparrow
    Dale Sparrow is offline Maple Enthusiast Dale Sparrow is on a distinguished road
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    Quote Originally Posted by awpoolco View Post
    which shurflo? I am using a NorthStar NSQ Series 12V On-Demand Diaphragm Pump - 3 GPM @ 60 PSI. It works well but I only achieve 12" on 100 taps even with a recirculating line. Brand new diaphragms, same as last season. Are the shurflo pumps that much better?
    Yes, shurflo is that much better. The most I got from a northstar was 18", replaced it with a shurflo 4048 and started getting 24".
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  2. 03-21-2018, 05:16 AM #32
    Dale Sparrow
    Dale Sparrow is offline Maple Enthusiast Dale Sparrow is on a distinguished road
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    Quote Originally Posted by KReinisch View Post
    I have a 4008 running 22" on 225 taps. I have the re-circulation line but I have only had to use it to prime the pump and then once it starts sucking sap, it takes off.
    What size mainline, how long?
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  3. 03-21-2018, 05:20 AM #33
    Dale Sparrow
    Dale Sparrow is offline Maple Enthusiast Dale Sparrow is on a distinguished road
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    Just curious, what size mainline are you using and how long?
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