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

Maximum working pressure: 100 psi

Maximum operating temperature 200 F (degree Fahrenheit)

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

Inline pressure tank, heavy-duty steel shell with high-gloss enamel finish

Bacteria-resistant butyl rubber diaphragm with seamless construction for uniform strength, polypropylene liner and copper lined acceptance fitting provide a corrosion-resistant water reservoir and a reliable water-tight seal

Meets FDA (Food and Drug Administration) requirements for potable water supply