Airmax® SilentAir™ Rocking Piston Compressors

Airmax SilentAir RP25 (87R) 1/4 HP Rocking Piston Compressor is a replacement motor for the Airmax SW20HP and PS10 Aeration Systems. This highly efficient compressor produces up to 2.3 CFMs at 1.6 running amps, while costing just $9.27 a month. Ideal for aerating ponds up to 1/4 acre. Design features SmartStart™ Technology that protects the compressor during pressurized restarts following power supply interruptions. Available in 115 or 230 volts. RP50 Compressor 1/4 HP Single Piston Model 87R Voltage 120V or 230V Max Diffuser Depth 50 Feet Max CFM 2.3 Running Amps 1.6 or 0.8 Monthly Operating Cost (24/7) $9.27 Replacement Unit For SW20HP, PS10 (Post 2016) Warranty 1-Year   Airmax SilentAir RP50 (87R) 1/2 HP Rocking Piston Compressor is a replacement motor for the Airmax SW40HP and PS20, PS30 and LS40 Aeration Systems. This highly efficient compressor produces up to 4.7 CFMs at 4.1 running amps, while costing just $23.76 a month. Design features SmartStart™ Technology that protects the compressor during pressurized restarts following power supply interruptions. Available in 115 or 230 volts. RP50 Compressor 1/2 HP Dual Piston Model 87R Voltage 120V or 230V Max Diffuser Depth 50 Feet Max CFM 4.7 Running Amps 4.1 or 2.1 Monthly Operating Cost (24/7) $23.76 Replacement Unit For SW40HP, PS20, PS30, LS40 Warranty 1 Year   Airmax SilentAir RP75 (72R) 3/4 HP Rocking Piston Compressor is a replacement motor for the Airmax PS40, PS80 and LS60 Aeration Systems. This highly efficient compressor produces up to 5.8 CFMs at 5.3 running amps, while costing just $30.72 a month. Design features SmartStart™ Technology that protects the compressor during pressurized restarts following power supply interruptions. Available in 115 or 230 volts.   RP75 Compressor 3/4 HP Dual Piston Model 72R Voltage 120V or 230V Max Diffuser Depth 50 Feet Max CFM 5.8 Running Amps 5.3 or 2.7 Monthly Operating Cost (24/7) $61.44 Replacement Unit For PS40, PS80, LS60 Warranty 1 Year   Owner's Manual Compressor Guide Compressor Maintenance Kits