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I have taken on the task of replacing a well tank for my grandmother. Well I didn’t realize there was this much to the well tanks. I believe she has a air-over water tank. It has an inlet about middle of the tank and the outlet towards the bottom. My question is can I just get a tank for local Lowe’s and just add the tank tee and redirect the plumbing. I’m going add pictures of current setup and then what I was going to buy to replace it with.

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Yes, your plan is a good one. I'd remove all that cast iron pipe that I could and replace it with copper. Be sure to use a dielectric union on the iron/copper connection to avoid corrosion problems.

You'll find that a newer bladder-type tank will not waterlog the way the old air over water ones did. Be sure, however, that the tank is not in a location that freezes. Ice in the tank will rupture the bladder.

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  • Updating galvanized pipe, sure, but PEX rather than copper IMHO. – Ecnerwal Nov 19 '20 at 16:20

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