Best Seller

Gast AT05 Rotary Vane Septic Air Pump

Known as the industry workhorse, the AT05 delivers reliable, pulse-free airflow with minimal maintenance, making it the choice of professional installers. The Gast AT05 Rotary Vane compressor fits many 500 GPD or larger aerobic septic systems. The externally mounted cooling fan on motor promotes longer life and is recommended for use on septic systems.

The Gast AT05 Rotary Vane aerator is a compatible replacement for the following models:

Gast 0323
Gast 0523
Gast RV03
Gast RV05

Thomas QR-0030
Thomas QR-0050
Clearstream CS103E
Clearstream CS103F

The Gast AT05 Rotary Vane Septic Air Pump is engineered for longevity and efficiency, offering superior performance in high-pressure applications.

In Stock

$710.00MSRP: $825.00

Item #:AT05

Manufacturer: Gast

Product Documents

AT05_Brochure

AT05_Install

Related Items

Gast Rotary Vane Repair Kit for Models 0323, 0523, RV03, RV05, AT03, AT05

Gast Repair Kit for 0323, 0523, RV03, RV05, AT03, AT05

Item #:K882

Our Price: $105.00MSRP: $106.00

Ships Thursday
with FREE SHIPPING

Order in the next: -- hr --min --sec

Ship Date Thu, Sep 18

Delivery: 1-4 Business Days

Frequently Purchased Together

Gast AT05 Rotary Vane Specifications

Gast Model AT05-101-G215DX
4.8 cfm (cubic feet per minute) Maximum Air Flow (@ 0 PSI)
5.0 psi Maximum Continuous Operating Pressure
1/4'' Female Threaded Outlet
1/4 HP, 120VAC, 60 Hz, 4.7A
1 Phase, 1725 RPM, 1.00SF
Totally Enclosed External Motor Cooling Fan (Not Included on 0523 Model)
Dimensions: 13.74'' L x 8.32'' W x 6.30'' H
Includes All Internal and External Air Filters and Mounting Feet
Condition: NEW
Replaces the Gast models 0323, 0523, RV03, RV05, Thomas QR-0030, and Thomas QR-0050
Fits Many 500, 600, and 750 GPD Aerobic Treatment Systems (Sizing is Determined By Brand of Aerobic System)
Replacement Parts Available
One Year Manufacturer's Warranty

Gast AT05 Rotary Vane Applications

The Gast AT05 Rotary Vane septic air compressor is used on 500-750 GPD rated NSF Class 1 Standard 40 aerobic treatment systems (ATUs).

The Gast AT05 unit includes an external motor cooling fan which promotes longer motor life when compared to the Gast 0523 model which does not include this external fan. The Gast AT05 is recommend in continuous duty applications and also applications where the motor will be running in a very warm ambient environment.

Gast AT05 Rotary Vane Aerator Videos

How To Wire a Gast AT05 Rotary Vane Compressor

Gast AT05 Rotary Vane Aerator Downloadable Documents

FileName
AT05_Brochure	View	Download
AT05_Install	View	Download
AT05_Spec	View	Download

Gast AT05 Rotary Vane Aerator Frequently Asked Questions

Below are some of the frequently asked questions about the Gast AT05 Rotary Vane Septic Air Pump Part Number: AT05. If you have further questions, call our support staff toll-free at +1-(877)-925-5132 or email us at sales@septicsolutions.com

Does the Gast AT05 Rotary Vane aerator need to be protected from the weather?

The Gast Rotary Vane compressors are not weatherproof and must be protected from the elements of Mother Nature. Click here to view the air pump housing options.

Which size Gast Rotary Vane septic aerator pump do I need?

See our air pump crossover guide below. All of the equivalent models are shown down the columns, with each row representing the brand.

AIR PUMP CROSSOVER GUIDE

	40 LPM	60 LPM	80 LPM	100 LPM	120 LPM	150 LPM	200 LPM
Hiblow	HP-40	HP-60	HP-80	HP-100LL	HP-120LL	HP-150	HP-200
Thomas	5040 / AP-40	5060 / AP-60	5078 / AP-80	5100	5120	5150	5200
Gast Rotary	N/A	N/A	AT05	AT05	AT05	1023	1023
Cyclone	SS-40	SS-60	SS-80	SSX-100	SSX-120	SSX-150	SSX-200
Medo	LA-45C	LA-60B	LA-80BN	LA-100	LA-120	N/A	N/A
Secoh	SLL-40	EL-60	EL-80-15	EL-100	EL-120W	EL-150W	EL-200W
Gast Linear	DBM-40	DBM-60	DBM-80	DBMX-100	DBMX-120	DBMX-150	DBMX-200

Does the Gast AT05 come with a manufacturer's warranty?

Yes. The Gast AT05 comes with a standard manufacturer's warranty of 1 year. Every Gast AT05 purchased from Septic Solutions comes with a Manufacturer's Warranty that lasts 12 months from the date of purchase.

Can the Gast Rotary Vane compressors be used for pond aeration?

Yes, the rotary vane pumps work well for pond aeration applications. The AT05 can work in ponds as deep as 10 feet. The 0523 can work in ponds as deep as 15–18 feet.