Sentinel® Commercial aeration systems are for large lakes and ponds where multiple aeration stations are required to provide adequate circulation and mixing in large bodies of water.
Sentinel® Commercial are availablle with rocking-piston air compressors. The piston air-compressor systems can be used in deeper ponds anywhere from 15' to 35' deep.
All cabinets are mounted on an equipment pad and include free noise-reduction insulation kit for reduced noise at no additional cost.
Airline is included.
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![]() Aerates up to 4 Acres Model:1/2 HP & 3/4 HP Each System Includes: Steel Cabinet on Equipment Pad One Piston air compressor (1/2 HP or 3/4 HP) Two or Four Diffuser Assemblies Two or Four Valved Manifold Rail Ventilation Fan Sound-Proofing Insulation Kit Cabinet Mounted to Equipment Pad Electrical Box Installed Pressure Gauges Relief Valves Key for Cabinet Instructions Weighted airline is included! 200' of weighted airline in the smaller system and 600' of weighted airline in the larger system. *Maximum diffuser depth is 50' for the piston compressor systems. Airflow will be reduced as pressure (depth) increase. **Each diffuser station has 2 x 9" EPDM discs on weighted-base. Add gravel to hollow base for ballast. ***Cabinet is steel (powder coated) and includes insulated sound-reduction kit, valve manifolds, pressure gauges and relief valves. Ventilation fans and eletrical box inside cabinet with a conduit running out the bottom for your electrical hook-up. Comes bolted on a gray equipment pad |
Piston Sentinel® Commercial System *Maximum diffuser depth is 50' for the piston compressor systems. Airflow will be reduced as pressure (depth) increase. **Each diffuser station has 2 x 9" EPDM discs on weighted-base. Add gravel to hollow base for ballast. ***Cabinet is steel (powder coated) and includes insulated sound-reduction kit, valve manifolds, pressure gauges and relief valves. Ventilation fans and eletrical box inside cabinet with a conduit running out the bottom for your electrical hook-up. Comes bolted on a gray equipment pad |
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Model | Compressors |
Power Consumption (per compressor) |
Diffuser Stations** | Total Available Airflow | Cabinet*** | 3/8" Weighted Airline Included |
PR-SENT50 |
1 x 1/2 HP Stratus® Rocking Piston |
4.0 amps - 115 v 2.0 amps - 230 v |
2 Stations 4 x 9" discs total |
4.5 CFM | Yes | 200' (2 x 100 |
PR-SENT75 |
1 x 3/4 HP Stratus® Rocking Piston |
5.7 amps - 115 v 2.9 amps - 230 v |
4 Stations 8 x 9" discs total |
6.5 CFM | Yes | 600' |
Airline is sold separately. Use 3/8" or 1/2"" weighted airline in ponds and lakes. On shore use heavy-duty poly-pipe (1/2" or 5/8") suitable for burial.
Replacement rotary vanes, piston-rebuild kits, air filters and diffuser discs are all available as replacement parts.
1 Year Limited Warranty on Compressor (sacrificial vanes and piston seals excluded as excessive wear due to improper depth placement of diffuser can cause premature wear)
5 Year Limited Warranty on Cabinet & Diffusers.
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