Variable pumps & drain back systems [RE-wrenches]
blair Tump may
tump at midcoast.com
Tue Jun 5 20:10:52 PDT 2001
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>Windy,Living in places where the cold weather and ledge can make burying
>water lines below frost level tough ,there are what is called a drain back
>system. I'm sure that you have seen a few , my question is DO these types
>of ramp up pumps work w/ the drain back system? And if so where can I get
>more info on them?
>The Grundfos SQ and SQE pumps are intolerant of silt because they turn at
>about 10,000 RPM instead of the old standard 3450. Imagine!
Solarwinds NorthernLights
Serving Mid Coast Maine & Northern California
610-517-8401 707-498-2804
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