Eastman 2.1 gal Pre-Charged Expansion Water Tank 60022Eastman thermal expansion tanks are designed to prevent backflow from residential water heaters. The tank is for 30 gal. to 160 gal. Maximum working pressure 150 PSI and maximum operating temperature is 210 degree Fahrenheit. UPC: 091712600220 Manufacturer Part No: 60022 Brand Name: Eastman Material: Steel Product Type: Pre-Charged Expansion Water Tank Connection Size: 3/4 in. Connection Type: MPT Lining Material: Butyl Rubber Maximum Working Pressure: 150 psi Color: White Maximum Air Charge: 80Price from $33.49 up to $49.99 Compare prices and buy Eastman 2.1 gal Pre-Charged Expansion Water Tank 60022 Newegg.com →$33.00AceHardware.com →$50.00Compare prices2→