Based on it being a 'suction pump' - jet/centrifugal pump - you could in theory get away with 100 more linear feet of horizontal pull. However, there's a maximum suction lift that any pump of this type is capable of delivering, and that maximum also is affected by friction loss (so don't expect this to work with 3/4" pipe). If you're only increasing horizontal run and you have a large enough pipe, the only potential problem I really see you running into is that you now have a lot of room for air leaks to lose prime with.
Now, if you can relocate the pump, and you can keep the old lines in the well house from freezing, why bother? Do what the guy above says - install a submersible pump. In fact, if you've got a 4-1/2" diameter well or larger, you can pretty much stuff all the plumbing in the well these days. Even the tanks!
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Now, if you can relocate the pump, and you can keep the old lines in the well house from freezing, why bother? Do what the guy above says - install a submersible pump. In fact, if you've got a 4-1/2" diameter well or larger, you can pretty much stuff all the plumbing in the well these days. Even the tanks!
