The universal expansion tank.Learn More
Ideal addition to the AQUA 8, previous models and all other types of pressure switch pumps (for example Shurflo and Flojet). The expansion tank eliminates the pulsating operation of pressure switch pumps and supplies a constant flow of water in the required quantity. It extends the life of the pump and boiler and cuts water consumption.
The internal pressurized diaphragm provides a smooth, surge-free flow of water.
The A20 can be dismantled for diaphragm repair and checks.
It is precharged at 0.9 bars (13 psi) but it can be charged with the special valve with a normal compressor so it can be adapted to all pressure switch pumps.