4.4 Gallon Pre-Charged Hydronic Expansion Tank. This tank is designed for closed loop hydronic heating systems using baseboards or radiators. It features a heavy duty diaphragm that flexes against an air cushion to maintain a safe operating pressure. The tank has a maximum temperature of 240 degrees Fahrenheit and a maximum working pressure of 100 PSI. It is pre-charged at 12 PSI and has a 1/2" NPTM connection.
WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov