Amtrol AX-200V AX EXTROL ASME Expansion Tank, 110 Gallon (117-201) Amtrol AX EXTROL AX-200V ASME Expansion Tank Features: • Proven diaphragm design since 1954 • Designed and constructed per ASME Section VIII, Division 1 standards • Factory pre-charged to 12 psig • Maximum working pressure is 125 psig • Maximum operating temperature is 240ºF Amtrol AX EXTROL AX-200V ASME Expansion Tank Specifications: • Tank Volume (Gallons) - 110 • Max. Accept. Gallons - 34 • A Height (Inches) - 62-5/8 • B Diameter (Inches) - 62-5/8 • System Conn. (NPT) - 1 * This product is non-returnable * Additional charge for residential delivery"