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Sears 390.291352 Owner's Manual page 5

Captive air tank

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FIGURE 6 – 19, 36, 50 and 85 Gallon Tanks With Multi-Stage Pumps
FIGURE 7 – Tanks With High Capacity Or Residential Size Submersible Pumps
Residential Series Pumps Use 1" Piping. High Capacity Series Pumps Use 1-1/4" Piping.
INSTALLATION
To Service
To Service
Electrical
Disconnect
Box
Control
Center†
To Pump
Motor
Relief Valve
Stock No.
27220
From
Well
Submersible Pump
Pressure Gauge
Manifold Kit
Stock No. 2768
Stock No. 27221
Pressure Switch
Stock No. 2782
12"
1788 0595
Max.
5
NOTICE: 50 and 85 gallon tanks are
not equipped with mounting bracket.
Install pump beside tank as shown.
NOTICE: When using plastic fitting or
installing a plastic pump, use only
Teflon tape or Plasto-Joint Stik on male
threads.
1* – 1" x 1" Tee
2* – 1" Nipple
3* – 1-1/4" X 1" Reducer Bushing
Required for 50 and 85
gallon tanks.
*Not furnished – must be
purchased locally
Pump To Tank Fittings Package –
Not Furnished With Tank,
Order Kit Stock No. 2788
From Your Sears Store.
TANK SIZES
19 GALLON
36 GALLON
50 GALLON**
85 GALLON**
High capacity pumps
must not be used with tanks of less
than 50 gallon capacity.
** Tank furnished with 1-1/4" elbow.
1-1/4" to 1" reducer required for 1"
piping.
Note: Relief Valve (No. 27220) must
be purchased separately.
† Control Center used with 3-wire
pumps only.
For 2-wire pumps, connect pressure
switch to disconnect switch.

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390.291552390.291652390.291690390.291751