Extrol EX-60 Expansion Tank (7.6 Gallon Volume)
The Amtrol EX-60 is appropriately sized for expansion overflow for specific types of hydronic heating systems. Depending on your type of system, the EX60 is designed to work with BTU outputs of 75,000 - 200,000. As shown in the sizing chart below (bold and highlighted in pink), the EX-60 can be used across several different types of closed-loop systems within the stated BTU range. The EX-60 has a tank volume of 6.7 gallons.