31.8 Gallon Freestanding Pump Tank - Butyl Rubber Parabolic Diaphragm

Lead Free; Non-Corrosive Metal Air Valve; Multiple Head Construction-Provides Added Structural Strength and More Capacity Within the Same Diameters; Interior Expoxy Coating-Permanently Bonded to the Tank Shell to Provide the Ultimate Protection on the Water Side of the Tank; Durable Butyl Diaphragm-Ensures Long Life; Positive Lock Retention System-Quality Controlled Compression in the Diaphragm Connection Eliminates Loss of Air or Water Leaks in the Tank; Electrostatically Applied Powder Coated Exterior-Tough Powder Coating Provides Maximum Resistance to Sunlight (UV) and is Undercoated with Zinc Phosphate for the Highest Corrosion Resistance; 5 Year/1 Year (Potable Expansion Tank), 1 Year (Hydronic Expansion Tank) Warranty

Pump Tank; Type Freestanding; Inlet/Outlet Connection 1" Female Threaded; Tank Material Drawn Steel; Tank Inner Lining Epoxy Coated; Pressure Rating 100 PSI; Tank Dimensions 15-3/8" Diameter x 47-1/4" Height; Tank Capacity 32 Gallon; Tank Warranty 5 Year Limited; Diaphragm Type Butyl Rubber; Air Charge Type Pre Charge; Air Charge Capacity 38 PSI; Inclusions/Features Multiple Head Construction, Positive Lock Retention System, Electrostatically Applied Powder Coated Exterior, Welded Steel Base; Application Potable Water, Residential, Hydronic; Applicable Standard NSF/ANSI 61G/372, IAPMO, UPC; Warranty 5 Year/1 Year (Potable Expansion Tank), 1 Year (Hydronic Expansion Tank)