Factory pre-charge: 38 psi (pounds per square inch)

Maximum working pressure 100 psi

Maximum operating temperature 200 F (degree Fahrenheit)

Engineered to provide years of trouble- service using cold rolled steel for a higher strength to weight ratio

Rugged, stable steel base with protective plastic strip

Heavy-duty butyl rubber diaphragm and durable polyolefin liner to prevent corrosion

Waterworker tanks feature an appliance quality finish which is resistant to sunlight and harsh conditions

All tanks are completely lead for safety

Meets NSF (National Sanitation Foundation) Standard 61 for clean, safe drinking water

5 year warranty

Blue tank