Metal Water Tanks Capable of Pressure - Source?

Save $600-800 by going to watertanks.com, (480 or 525) but 500 gallons is going to cost you a bit anywhere. Evidently there isn't much savings in getting (say) 4X 120 gallons, either.

how about a 500 gallon propane tank? New about $1200.

Karl

There is if I have to fit it through my 36" doorway. Thanks for the link!

I got a fairly new glass-lined electric water heater tank for my solar water system from a friend's remodelling project. In about 5 years the seam rusted through, possibly because it no longer contained a zinc anode.

Decent clean water tanks are hard to find second-hand, and you often don't know what might have been in them.

Plastic drums won't hold more than about 5 PSI before the ends bulge. I stopped testing at 10 PSI because the expansion and distortion made mounting and plumbing it impractical.

jsw

I got a fairly new glass-lined electric water heater tank for my solar water system from a friend's remodelling project. In about 5 years the seam rusted through, possibly because it no longer contained a zinc anode.

Decent clean water tanks are hard to find second-hand, and you often don't know what might have been in them.

Plastic drums won't hold more than about 5 PSI before the ends bulge. I stopped testing at 10 PSI because the expansion and distortion made mounting and plumbing it impractical.

jsw

Reply: Get food grade poly 55 gallon barrels. Use a pressure regulator on the input and then a pressure tank and pump on the output. A water heater would work for the pressure tank.

What you want is a "galvanized tank" Call a water well driller or well supply store. Well Mate makes a fiberglass alternative. They range in size from 42 gal to 325 gal. There are larger sizes just cost more than off of the shelf tanks. 82 gal is the most common. These tanks are everywhere.

Scott in Texas

It was 98 degrees today.

I got some tanks from a water well system for a motel that would change out the tanks every so many years because the bladders would go bad. The tanks themselves were still good. I would check with a plumber that does well systems.

John

Perhaps in Texas, the best I could find from a well driller was a fiberglass water softener tank the size of a compressed air cylinder. So maybe check with well drillers in rural farming areas?

jsw

Here are some mfr's links