Posted By TechGromit on 11/23/2009 8:10 AM
Posted By joe.ami on 11/23/2009 6:24 AM
Folks with open loop systems go through a well pump every 8 years or so around here. At about $1,000 a whack, it can offset some of the savings.
Joe
Well pump life isn't set at 8 years, my parents still have there original well water pump, after almost 30 years now, while it's true they don't have geo, the right pump could last quite some time. The brand/quality of the pump, the depth of the well and how long the geo system has to run during the winter all have a factor on pump life. To be fair, wells in NJ are only 30 or 40 feet deep, most residentail wells are 100 to 500 feet in depth, that's considerably deeper.
All true TG which is why I used the context of "around here" and "folks with open loop geo".
Some one with an extra million gallons of water pumping (for an open loop geo) each year probably won't enjoy 30 years of service as would an empty nest couple.
I do encourage folks who go open loop to look consider 2 stage equipment as the difference in water usage can be 100's of thousands of gallons.
Operating cost calculation software generally will calculate gals/yr as well.
J