Amtrol EX-30 Expansion Tank Air Scoop Kit

The Amtrol EX-30 Expansion Tank Air Scoop Kit comes with an EX-30, Hy-Vent 400, and Air Scoop 432. The EX-30 is pre-pressurized and features a diaphragm design. This expansion tank is designed for use with a hydronic heating system. It accepts expanded water as system temperature rises to reduce pressure build up.