Pentair galvanized pressure tanks permit installation with any make or type of pump. Galvanized pressure tanks are thoroughly tested under pressure for maximum protection. Each tank is designed for 75 PSI working pressure. The galvanized tanks include zinc coating inside and out to assure longer tank life, are submerged arc-welded for sronger, leak-proof seams and are guaranteed for one year from date of installation against defects in workmanship and material.