Scott Aerator DA-20 Display Aerator for Small, Residential Ponds

Technical specifications table for motors with various parameters like kW, amps, spray height, and cable size.

An outdoor lighting set installed around a fountain at night, highlighting the warm white glow of the LED lights.

Scott Aerator DA-20 Display Aerator for Small, Residential Ponds

$1,799.00 $1,899.00

Options

Quick Facts

Feature	Detail
Motor Options	1/3 HP, 1/2 HP, or 3/4 HP
Voltage	115V or 230V
Flow Rate	300, 400, or 450 Gallons Per Minute
Spray Pattern	Approximately 5 to 6.8 feet high and 18 to 23 feet wide
Motor	Oil-Free Stainless Steel Submersible Motor
Operation	Designed for 24-Hour Continuous Operation
Water Compatibility	Fresh Water and Salt Water
Motor Warranty	5 Years

A Note Before You Order

Select the correct motor voltage before ordering. A GFCI is required for operation, and power must always be disconnected when swimmers are present. For 115V installations, the manufacturer states that the distance from the main breaker to the aerator should not exceed 100 feet. If the distance is greater, a 230V motor should be selected. Electrical installation should follow applicable electrical codes and manufacturer requirements.

Scott Aerator DA-20 Display Aerator for Small, Residential Ponds

The DA-20 is a floating display aerator designed for smaller residential ponds where water circulation, oxygen transfer, and an attractive surface display are important. Its trumpet-shaped spray creates vertical and horizontal circulation while moving a substantial volume of water through the pond.

Available in 1/3 HP, 1/2 HP, and 3/4 HP configurations, the DA-20 delivers flow rates from 300 to 450 gallons per minute. The oil-free stainless steel submersible motor is designed for continuous operation and is suitable for both fresh and salt water. Light kits can also be added to create an illuminated display after dark.

Configuration Guide

DA-20 1/3 HP

Available in 115V or 230V with a 300 GPM flow rate. The spray pattern measures approximately 5 feet high by 18 feet wide.

The 1/3 HP configuration is ideal for ponds up to 3/4 acre and requires a minimum water depth of 32 inches.

DA-20 1/2 HP

Available in 115V or 230V with a 400 GPM flow rate. The spray pattern measures approximately 6.5 feet high by 22 feet wide.

The 1/2 HP configuration is intended for ponds greater than 1/8 acre and requires a minimum water depth of 32 inches.

DA-20 3/4 HP

Available in 115V or 230V with a 450 GPM flow rate. The spray pattern measures approximately 6.8 feet high by 23 feet wide.

The 3/4 HP configuration is intended for ponds greater than 1/8 acre and requires a minimum water depth of 34 inches.

Specifications & Details

Specification	Detail
Motor	Oil-Free Stainless Steel Submersible Motor
Motor Sizes	1/3 HP, 1/2 HP, and 3/4 HP
Voltage	115V or 230V
Frequency	60 Hz
Phase	Single Phase
Motor Speed	3,450 RPM
Flow Rate	300, 400, or 450 GPM
Spray Pattern	5 ft H x 18 ft W, 6.5 ft H x 22 ft W, or 6.8 ft H x 23 ft W
Minimum Depth	32 inches for 1/3 HP and 1/2 HP; 34 inches for 3/4 HP
Power Cord	70 feet standard; longer cords available
Cord Gauge	12-gauge for 1/3 HP and 1/2 HP; 10-gauge for 3/4 HP 115V
Water Compatibility	Fresh Water or Salt Water
Operation	24 Hours Per Day
Current Draw	1/3 HP: 8A at 115V or 4A at 230V; 1/2 HP: 10A at 115V or 5A at 230V; 3/4 HP: 10.7A at 115V or 6.8A at 230V

Installation & Assembly

Anchoring

The DA-20 is secured using two nylon anchoring ropes attached to the unit. The required anchoring weights or concrete blocks are not included. The 1/3 HP model requires two 20-pound weights, the 1/2 HP model requires two 25-pound weights, and the 3/4 HP model requires two 30-pound weights.

Electrical Installation

A GFCI is required for operation. Select the correct motor voltage for the installation and follow applicable electrical codes. The manufacturer recommends proper electrical installation according to the supplied assembly and installation instructions.

Power Cord

A 70-foot submersible power cord is provided as standard. Longer cord lengths can be ordered when needed. The 115V versions include a plug, while 230V configurations use the appropriate direct electrical connection.

Safety

Always disconnect power before entering the water or whenever swimmers are present. The manufacturer states that a GFCI is required and that the DA-20 is tested for compliance with applicable UL standards and the National Electric Code when installed as a complete package.

Maintenance & Winter Operation

Routine Maintenance

The DA-20 is designed for low-maintenance operation. Its oil-free stainless steel submersible motor does not require oil changes, and the manufacturer states that no routine maintenance is required.

Winter Operation

The DA-20 can remain installed in the pond during winter. Turn off the power while the pond is frozen, then restore power after the ice has thawed. The manufacturer states that the unit's components are designed to withstand sub-zero conditions.

Lighting

Optional light kits can be added when the DA-20 is purchased or installed later, allowing the water display to be illuminated after dark.

Warranty

5-Year Motor Warranty

The DA-20 motor is covered by a 5-year warranty. Warranty coverage is subject to the manufacturer's applicable terms and conditions.

Frequently Asked Questions

Question	Answer
What is the DA-20 designed to do?	It is a floating display aerator designed to circulate water, add oxygen, and create an attractive surface spray for residential ponds.
What motor sizes are available?	The small residential DA-20 is available in 1/3 HP, 1/2 HP, and 3/4 HP configurations.
How much water does the DA-20 move?	The available configurations provide flow rates of 300 GPM, 400 GPM, or 450 GPM.
Can the DA-20 be used in salt water?	Yes. The manufacturer states that the DA-20 is approved for salt water as well as fresh water.
Can it run continuously?	Yes. The DA-20 is designed for 24-hour-per-day operation.
What pond depth is required?	The 1/3 HP and 1/2 HP models require a minimum depth of 32 inches. The 3/4 HP model requires a minimum depth of 34 inches.
Can the DA-20 stay in the pond during winter?	Yes. The manufacturer recommends leaving the unit in place, turning off power while the water is frozen, and restoring power after the ice thaws.
Is a GFCI required?	Yes. A GFCI is required for operation.
Are lights available?	Yes. Optional light kits can be added when ordering or installed later.
How is the DA-20 anchored?	Two nylon anchoring ropes are used with weighted anchors or concrete blocks. The required weight varies by motor size and the anchoring materials are not included.
What warranty is included?	The DA-20 includes a 5-year motor warranty subject to the manufacturer's warranty terms.

Downloads

Specs & Assembly

View Specs & Assembly PDF

Aerator Comparison Brochure

View Aerator Comparison Brochure PDF

Product Video

Watch the DA-20 assembly and installation video for a visual guide to setting up the display aerator.

Assembly Video