6
Figure 1
Figure 2
Protected Power Supply
Disconnect Switch
Control Box
Pressure
Gauge
To House
Piping
Shut-off Valve
Union
Drain Tap
Pressure Relief Valve
Air Escape Control
Pressure Switch
Line Check Valve with Snifter
Union
Pitless Adapter
Drain and Y Fitting
Approximate Drain Fitting Setting
Distance Drain and “Y”
Tank Capacity Fitting Below the Line Check
42 gallon (159 L) 7 feet (2.1m)
82 gallon (310 L) 10 feet (3m)
120 gallon (454 L) 15 feet (4.6m)
220 gallon (833 L) 15 feet (4.6m)
315 gallon (1192 L) 20 feet (6.1m)
525 gallon (1981 L) 20 feet (6.1m)
Protected Power Supply
To House Piping
Disconnect Switch
Shut-off Valve
Union
Pressure Relief Valve
Drain Tap
Tank Tee
Check Valve ②
Frost Level
GALVANIZED TANK INSTALLATION
1.0 TYPICAL INSTALLATIONS
Check Valve ①
Pitless Adapter ①
Pressure Switch
① On installations with a pitless adapter the top check
valve should be below the pitless, not at the tank, as the
discharge line should be pressurized back to the pitless.
② On installations with well seals or well pits it is allowable
to locate the top check valve near the tank.
CAPTIVE AIR TANK INSTALLATION
NOTICE: TANK PRE-CHARGE PRESSURE CHANGES MUST BE
MADE USING THE AIR VALVE ON TOP OF THE TANK.
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