EasyPro 3 Acre PA66AD Sentinel Aeration System - 1/2 hp Rocking Piston
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A complete, cabinet-housed triple-diffuser aeration system for ponds up to 3 acres — 1/2 HP rocking piston compressor, tubing sold separately.
Three dual-head QS2 diffusers aerate ponds up to 3 acres.
Typical operating cost around $0.86 per day at $0.09/kWh.
Rated for depths up to 50 feet, moving up to 4.5 CFM of air.
No tubing included, so you can order the exact 3/8" length your pond layout needs.
Compressor, outlet assembly, pressure gauge, cooling fan, and electrical box all pre-installed.
2-year warranty on the compressor, 5-year warranty on diffusers and cabinet.
| Spec | PA66AD | PA66D |
|---|---|---|
| Tubing | Not Included | 300 ft 3/8" Included |
| Weight | 107 lbs | 176 lbs |
| Warranty | 2-Yr Compressor, 5-Yr Diffusers/Cabinet | 2-Yr Compressor, 5-Yr Tubing/Diffusers/Cabinet |
| Best For | Custom tubing runs / existing tubing | Turnkey setup, straight out of the box |
Want tubing included so you're ready to install right away? See the PA66D Sentinel Deluxe Aeration System.
| Spec | Value |
|---|---|
| Horsepower | 1/2 HP |
| Compressor | Stratus™ SRC50 Gen 2 (Rocking Piston) |
| Voltage | 115V or 230V |
| Amperage | 3.6A / 1.8A at 10' operating depth |
| Maximum Airflow | 4.5 CFM |
| Maximum Depth | 50 ft |
| Number of Diffusers | 3 (QS2 Dual-Head Quick Sink) |
| Tubing | Not Included (3/8" recommended) |
| Weight | 107 lbs |
| Suggested Pond Size | Up To 3 Acres |
| Warranty | 2-Year Compressor, 5-Year Diffusers/Cabinet |
This kit doesn't include tubing — pick the length and diameter your pond needs.
Shop Airline Tubing →Improve the appearance of your pond and help block sunlight that fuels algae growth with concentrated lake dye packets.
Shop Pond Dye →Pair aeration with beneficial bacteria pellets to break down organic sludge on the pond bottom.
Shop Sludge Remover →How big of a pond can this system handle?
The PA66AD is rated for ponds up to about 3 acres, depending on depth and shape, and can aerate down to 50 feet.
Does this come with tubing?
No — tubing is sold separately so you can choose the exact length your setup needs. If you'd rather have tubing included, see the PA66D version instead.
Is the cabinet weatherproof?
Yes. The deluxe steel cabinet is lockable and includes a cooling fan and pre-mounted electrical box, built for outdoor use.
How much does it cost to run?
Typical operation runs around $0.86 per 24 hours at $0.09/kWh, though actual cost varies by local electricity rates.
What's the warranty?
2 years on the compressor, and 5 years on the diffusers and cabinet.