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-   -   Dual Pressure tanks. (http://www.diychatroom.com/f7/dual-pressure-tanks-73070/)

ryanh 06-07-2010 02:20 PM

Dual Pressure tanks.
 
Hello. I have about 30" height clearance in my crawlspace. My 1/2 HP pump is rated at about 14gpm. The biggest tank i can fit standing up is a 26gallon with a 8gallon drawdown.. Pump theory says pump should run for aruond a minute so can i add a second pressure tank? How would you hookup 2 pressure tanks in one setup?

AllanJ 06-07-2010 02:37 PM

You can install another pressure tank anywhere it will fit but preferably before any branches to different parts of the house.

Don't forget, after the tank pressure is calibrated and the system turned on and the pump has stopped, some of the space in the (each) tank will still be full of (compressed) air.

After the pump has stopped and when no one is using water, the pressure (in psi) is the same everywhere in the system from the faucets to the tanks to the pump output.

ryanh 06-07-2010 03:22 PM

I have room for an extra tank right beside the first tank. I'm just wondering how you would hook them up. Would they be hooked up in a series. tank 1 > tank 2 > discharge. or would i have to put a T or something after my pressure switch to both tanks, and then put a T to make it back into 1 line??

Wildie 06-07-2010 04:15 PM

Doesn't matter whether in series or parallel. You only need one air pocket to operate the pressure switch.

AllanJ 06-07-2010 05:40 PM

Suggest arranging the tanks so water cannot become trapped in either one.

It is okay if the tanks have separate tee connections to the main pipe.

ryanh 06-07-2010 09:48 PM

Alright . Thanks dudes!:thumbsup:


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