Necessary for Reverse Osmosis. It helps the devices to operate properly.

TECHNICAL SPECIFICATIONS:

ModelProduction (Lt/min)AmberVolt DCPressureTransformer 
Pump 500.95 LPM0.652480 psi1.2 A
Pump 2002.75 LPM1.124130 - 150 psi2.0 A
Pump 3003.2 LPM1.224130 - 150 psi3.0 A