Need Help with Well Pressure Tank Layout?

Question

I really need help right away on the layout of this well pressure tank and switch. Once I began work to install a new shut-off valve and drain valve, I noticed the layout of this system is different than the pressure tank manufacturer illustrates ( and different than any other layout I have found online). Can anyone please tell me if this layout is acceptable?

It seems that the pressure switch may be affected because the pressure tank has just one line in. In other words, it outflows back through the pressure switch on its way to the house plumbing.

layout image: 
http://www.diychatroom.com/attachments/f7/80645d1391317220-need-help-well-pressure-tank-layout-cci02012014_00000.jpg

KILOWATT · Accepted Answer

The pressure tank just provides an expansion space for the water to fill so the you will not have huge fluctuations in the water pressure.  If it Is a bladder type tank it will need to be pre-charged with air from the Schrader valve on the top, before turning on the pump. Follow the instructions in the link.

The point where the tank is tied into the system doesn't matter, as long as it is downstream of the pump, and upstream of the house.

http://inspectapedia.com/water/Water_Tanks.php#Related_Topics

http://inspectapedia.com/water/WaterTankAir2.htm

Mabe · Answer

I didn't see anything wrong with the lay-out.  Look up 'How to Prime a Pump ~Wikipedia' Has a step by step video.  This might be what you are looking for.  When they sit not in use for awhile, they lose pressure.  This will show you how to fix that.

Need Help with Well Pressure Tank Layout?

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