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Great Lakes® Aeration System for Shallow Lakes PART #: 4GL32 to 4GL96

Great Lakes® Aeration System for Shallow Lakes

The Pentair Aquatic Eco-Systems Great Lakes® aeration/destratification system is guaranteed to be the lowest cost method of inducing circulation to remove stratification, add oxygen and deliver the many benefits that result from sufficient bottom oxygen. These systems feature Sweetwater® unconfined synergistic airlift (USA) diffusers that have proven their effectiveness in over 500,000 acres of lakes worldwide. Install a Great Lakes® system and be confident that you have the most efficient and effective system available. We have more experience than anybody. For system sizing see the Average Sizing Guides below, then contact us to double-check before ordering. One-year warranty. Installation available.

Systems come factory wired for either 115V or 230V single-phase (add "-230" after part number for 230V). Three-phase models, not wired, are also available. Great Lakes® systems feature Sweetwater® oilless rotary vane compressors that include a muffler, inlet check valve, control valves, 0–30 psi liquid-filled pressure gauge and pressure relief valve. Our shallow lake systems, which use the ALA4GLB diffuser manifold(s), are recommended when the majority of the lake is 4–15 feet deep. Tubing is not included; we recommend P200S polyethylene tubing on the land and WD1 weighted tubing underwater. Maintenance kits include four sacrificial carbon vanes, gasket and two inlet filter elements.

Click here for Maintenance Kit for 3/4-HP System

Availability: In stock

ModelVoltageCabinetType Price Qty
4GL32 115Yes2 Diffusers
$2,520.00
4GL32-230 230Yes2 Diffusers
$2,520.00
4GL53 115Yes3 Diffusers
$2,614.00
4GL53-230 230Yes3 Diffusers
$2,614.00
4GL53NC-230 230No3 Diffusers
$1,909.00
4GL54 115Yes4 Diffusers
$3,071.00
4GL54-230 230Yes4 Diffusers
$3,071.00
4GL75 115Yes5 Diffusers
$3,244.00
4GL75-230 230Yes5 Diffusers
$3,244.00
4GL96 115Yes6 Diffusers
$3,631.00
4GL96-230 230Yes6 Diffusers
$3,631.00
Model 4GL32 4GL32-230 4GL53 4GL53-230 4GL53NC-230 4GL54 4GL54-230 4GL75 4GL75-230 4GL96 4GL96-230
Voltage115230115230230115230115230115230
CabinetYesYesYesYesNoYesYesYesYesYesYes
Type2 Diffusers2 Diffusers3 Diffusers3 Diffusers3 Diffusers4 Diffusers4 Diffusers5 Diffusers5 Diffusers6 Diffusers6 Diffusers
Price
$2,520.00
$2,520.00
$2,614.00
$2,614.00
$1,909.00
$3,071.00
$3,071.00
$3,244.00
$3,244.00
$3,631.00
$3,631.00
Qty