2 gallon capacity (note: larger size is Amtrol EX-30);NOT for potable water, for use with closed hydronic heating and cooling systems;Factory precharge: 12 psig Max. working pressure: 100 psig Max. operating temperature: 240 degrees F;Watertight reservoir for expanded water;Thick, heavy duty Butyl/EPDM diaphragm for long service life

• AMTROL EX-15 15 Extrol Expansion Tank
• one-size
• black

AMTROL EX-15 15 Extrol Expansion TankAMTROL