Pentair PRF-RO Installation And Maintenance Manual page 10

2 - THE BASIC REVERSE OSMOSIS SYSTEM
Feed Water Valve
Cold Water Line Only
Feed Pressure
Gauge
Feed Solenoid
Valve
External Prefilter
Inlet-1/2" Natural
Drain - 3/8" Black
1.5" Air Gap Required
To Point of Use
Figure 4 Typical Light Commercial Installation
9
RO Assembly
Vented to
Atmosphere
Liquid level float
sensor to control
feed solenoid valve
Product Storage Tank
E
N
G
L
I
S
H