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Posted by Bill on March 3, 2007, 12:10 pm
My tank, and pressure switch are in my garage. About 125' away from the
pump.
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please reply to bargerw NO @ SPAM bellsouth.net and remove the NOSPAM
>
> "Bill" wrote...
>
>>>
>>> "bodega" wrote...
>>>>I have a well with submerged pump and captive-air tank in the pump
>>>> house 350 ft. from where I'm building my new house. I'm using 1 1/4"
>>>> flexible waterline to connect to house. I am not too impressed with
>>>> the pressure I get at the end of the garden hose (5/8") 360 ft. from
>>>> the well. Are there any suggestions to increase pressure/volume if I'm
>>>> still not impressed when it is permanently hooked-up to the house? I
>>>> thought of maybe installing an additional captive-air tank where it
>>>> enters the house through the garage.My well is 60 ft. deep and though
>>>> I am not sure I believe it has a 1/2 hp pump.
>>>
>>> There are a lot factors that will determine your pressure, volume,
>>> velocity, etc., but in general increasing your pump output and/or the
>>> pipe size will increase your pressure.
>>> Also don't confuse pressure with velocity. You may have sufficient
>>> pressure but the velocity may be low.
>>> 360 ft is quite a distance. And depending on if it's traveling up or
>>> down, along with the smoothness of the interior of the pipe, you could
>>> be loosing quite a bit of pressure by the time it reaches the house.
>>> The air-tank in the pump house isn't really helping matters. You're
>>> better off moving the air tank to the house.
>>>
>>>
>>
>> I have heard the air tank both ways. I have my air tank (bladder type),
>> in my house, about 150' from the pump, and it works great.
>> I have heard it is easier on the pump to have the pressure tank closer.
>> I had a 1/2 hp pump before, and replaced it with a 1hp.
>
> The tank has two main purposes, to regulate the pressure, and to extend
> the life of the pump. This works in conjunction with a pressure switch.
> Ideally the pressure switch should be located close to where the pressure
> is needed. In most cases this is near the pressure tank. The pressure
> switch has a cut-in and a cut-out setting, when the pressure drops to that
> set pressure it will send voltage to the pump (turning on the pump) until
> the pressure reaches the other set point, turning the pump off.
> Having said all that, if you are in area where freezing may occur, putting
> the tank in an unheated pump house may be a concern.
> Now if the tank is located near the pump and the pressure switch in the
> house, this would be no different than having the tank and the pressure
> switch in the house. However, if both the tank and the switch are located
> near the pump, the pressure at the house could be less unless the pressure
> switch is set to compensate for any pressure loss due to the run from the
> pump to the house.
>
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