Airmax SilentAir G50 (RP50 87R) 1/2 HP Rocking Piston Compressor is a replacement motor for the Airmax SW40HP and PS20, PS30, PS40 (Pre-2022) and LS40 Aeration Systems. This highly efficient compressor produces up to 4.7 CFMs at 4.1 running amps, costing as low as $33.95 a month. The design features SmartStart Technology (IST) that protects the compressor during pressurized restarts following power supply interruptions. Available in 115 or 230 volts.
Tech Specs
![]() RP50
| |
---|---|
Compressor | 1/2 HP Dual Piston |
Model | 87R |
Running Amps | 4.1 or 2.05 |
Voltage | 115V or 230V |
Wattage | 472 Watts |
Max Diffuser Depth | 50 Feet |
Max CFM | 4.7 |
Monthly Operating Cost (24/7) | $33.95 |
Replacement Unit For | SW40HP, PS20, PS30, LS40 (Pre-2022 PS40) |
Warranty | 2 Years |