Nearly seven decades after inventing the Extrol®, the first diaphragm expansion tank, Amtrol’s lineup now includes the Extrol Pro. This next generation expansion tank is engineered for modern, high-efficiency systems including hydronic, solar and radiant systems. Extrol Pro is The One That Does It All™.
![](http://repriteburk.com/wp-content/uploads/2023/02/EX-PRO-1.png)