Amtrol SX90V 390297 1-1/4" Floor Mounted Expansion Tank

The Amtrol SX90V Floor Mounted Expansion Tank is used to allow thermal expansion and stabilize the system pressure in residential, and commercial hydronic heating, and HVAC systems. It has 1-1/4 inch and uses 390297. It is fitted to the floor and linked to the system piping. It receives any excess volume of water during the heating of the system, eliminating the possibility of the system spiking its pressure and causing damage to pipes. It is a contributor to the energy-efficient operation. It is essential to maintain the stability of the entire system and the safe operation of the heating units.