The Water Systems Group of WICOR Industries offers a line of Pro-SourcePLUS pressure tanks featuring a stainless steel service connection. The three largest models have a maximum operating pressure of 125 psi. The steel tanks sport an appliance-like polyester paint finish that resists corrosion. Each tank features a one-piece water cell providing controlled two-dimensional expansion. The water cell is compatible with chlorinated and reverse-osmosis treated water. The tanks are available with capacities from 19 gallons to 85 gallons and are backed by a 5-year warranty. The Pro-Source EpoxyLine of standard air-over-water steel tanks also is available in 30-gallon to 120-gallon capacities. WICOR Industries