|Posted by AA on December 17, 1999 at 11:42:24:|
|In response to Re: Well pump to pressure tank distance?|
: : : : We are building a new home and our well had to be drilled in our front yard. We would like to locate the (unsightly) pressure tank behind our house approximately 130 feet from the well (which will be using a 1 hp submersible pump). We prefer to hide the tank behind the house instead of trying to disguise it (fencing, hut, shrubs, etc.) in the front yard. Our pump contractor keeps talking about only having the pressure tank near (within 3 feet) of the well to avoid hammering in the system because of the long distance the pressure switch would be from the pump. However, he does admit it is an "inexact" science and hammering may or may not occur. We don't want problems down the road, but is it OK to have a 130 foot horizontal run (the pump will be about 160 feet below the surface) between the top of the well and the pressure tank? If, so would any other additional device be needed to prevent hammering or any other potential problem with this arrangement? Thanks for any information.
: : : AA, The pressure switch needs to be next to the pressure tank. Do you live in the south? Is it warm all year round? I have seen the pressure tanks buried in the ground but I wouldn't like to change it later on. If you have a utility room in the house that is where the pressure tanks usually goes. Remember the pressure switch needs to be next to the pressure tank. Dale Peck LMP
: AA, sorry i took so long to get back to you. AA you should use a submergiable pump if you have a 5 or 6" cased well. There is a check valve in the top of the pump. If you use a jet pump with one pipe system no cased well then you need a check valve right after the pump. I have yet seen a residential pump cause hammering. If you get over 80lbs in this system hammering may accure.The last thing I would worry about is hammering in your plumbing system on a well and pump. Dale Peck LMP
Thanks, Dale, for your help and responding back. The reason I am concerned about this potential problem is that my well pump/pressure tank subcontractor brought the issue up and indicated that, in his experience, he has seen hammering occur when the pressure tank is located a long distance away from the well itself (although other times he said there is no problem - kind of leaves me wondering what I can and can't do). I'd like to place the pressure tank in back of the house before other phases of the house construction would make it too costly to move later and then I'd be stuck at where it is now (temporarily rigged up next to the well). From what you are saying, though, there shouldn't be a problem. Thanks again.
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