Union
Control box (3 wire models only)
Electrical Disconnect Box
Pressure Gauge
Pressure Switch
To House Service
Relief Valve
Power Cable
Nylon Tape
Safety Rope
Cable Splices
Plastic Pipe
Adapter
Plastic Pipe
Adapter
Pump
Check
Valve
Centering Guide
Splice Cables
Like This – Not Like This
4"
Pre-Charged Tank Installation
Sanitary Well Seal
Tank Tee
Ground Level
Pre-Charged Tank
Well Seal (Purchase
Separately)
Conduit or Sleeve
Insulated/Heated
Box
Cut-In PSI Cut-Off PSI Pre-charge Pressure
20 (138 kPa) 40 (276 kPa) 18 PSI (124 kPa)
30 (207 kPa) 50 (345 kPa) 28 PSI (193 kPa)
40 (276 kPa) 60 (414 kPa) 38 PSI (262 kPa)
NOTE: 2-Wire motors do not use a control box. Run motor wire
from pressure switch directly to motor.
See Pages 2–6 for detailed wiring instructions.
8
FIGURE 12 – Typical Submersible Installation with Pre-charged Tank Installation