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Restore Peak Performance With Airmax SilentAir RP Compressor Maintenance Kits
Airmax SilentAir Compressor Maintenance Kits replace the wear parts inside a SilentAir piston compressor, so your aeration system keeps moving the air it was built to move. Each kit is made for one compressor model and RP designation. Find your compressor in the chart below and order the matching kit.
• Nine Model-Specific Kits: Covers G25, G33, G50, G75, T75 and T100 SilentAir compressors.
• Match the RP Code: The G25, G33 and G50 each have two kit versions. The RP code in parentheses on your compressor, such as RP25 74R or RP25 87R, decides which one fits.
• T-Series Kits: The T75 and T100 kits are supplied without the valve plate.
• Older Units Covered: A separate G33 (RP33 71R) kit fits G33 compressors built before 2011.
Which Airmax SilentAir Compressor Maintenance Kit Fits My Compressor?
| Compressor | HP | RP Designation | Kit Part # | Fits |
| G25 | 1/4 HP | RP25 74R | 510108 | G25 compressors labeled RP25 74R |
| G25 | 1/4 HP | RP25 87R | 510510 | G25 (RP25 87R), including current compressors 510503 and 510504 |
| G33 | 1/3 HP | RP33 71R | 510109 | G33 compressors built before 2011 |
| G33 | 1/3 HP | RP33 82R | 510111 | G33 compressors labeled RP33 82R |
| G50 | 1/2 HP | RP50 72R | 510115 | G50 compressors labeled RP50 72R |
| G50 | 1/2 HP | RP50 87R | 510511 | G50 (RP50 87R), including current compressors 510501 and 510505 |
| G75 | 3/4 HP | RP75 72R | 510512 | G75 compressors labeled RP75 72R |
| T75 | 3/4 HP | RP75 | 510541 | T75 (RP75), including compressors 510532 and 510536. Kit has no valve plate. |
| T100 | 1 HP | RP100 | 510542 | T100 (RP100) compressors. Kit has no valve plate. |
Airmax G25, G50 and T75 Compressors and Their Maintenance Kits
| Airmax Compressor | Compressor Part # | Maintenance Kit Part # |
| G25 (RP25 87R) 1/4 HP, 115v | 510503 | 510510 |
| G25 (RP25 87R) 1/4 HP, 230v | 510504 | 510510 |
| G50 (RP50 87R) 1/2 HP, 115v | 510501 | 510511 |
| G50 (RP50 87R) 1/2 HP, 230v | 510505 | 510511 |
| SilentAir T75 (RP75) 3/4 HP, 115v | 510532 | 510541 |
| SilentAir T75 (RP75) 3/4 HP, 230v | 510536 | 510541 |
Before You Order an Airmax SilentAir Maintenance Kit
- Read the model label on your compressor and match both the model (G25, G33, G50, G75, T75 or T100) and the RP code. Kits with the same horsepower are not interchangeable.
- The G33 (RP33 71R) kit is only for G33 compressors built before 2011.
- The T75 and T100 kits do not include a valve plate.
- Service the compressor when airflow drops or on the maintenance schedule for your aeration system.
- SilentAir LR25 (SW20) and LR50 (SW40) compressors use different kits that are not sold on this page.
- Not sure which compressor you have? Contact us with the model label details and we will confirm the right kit.
- FREE Shipping via FEDEX, LTL Ground, & UPS. Ships in 2-3 Business Days.
- Ships Only to Lower 48 States of the United States
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