Amtrol 103-1 Expansion Tank<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>n/a</li><li>Imported</li><li>For use with closed hydronic heating and cooling systems</li><li>Tank volume is 7.6 gallons</li><li>Factory pre-charged to 12 psig</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41pm7wkaEtL.jpg" noproxy>