The AX-40 EXTROL is a reliable expansion tank designed for closed-loop heating systems. With a maximum working pressure of 250 PSI and a capacity of 33.6 gallons, it effectively absorbs excess pressure and thermal expansion, ensuring system efficiency. Made from high-quality materials, this tank features a durable, corrosion-resistant finish. Its compact design allows for easy installation in tight spaces, and it meets industry standards for safety and performance. The AX-40 EXTROL is compatible with various heating systems, making it an essential component for maintaining optimal system pressure.