Airmax® SilentAir G50 (RP50 87R) 1/2 HP Maintenance Kit

For G50 (RP50 87R) Rocking Piston Compressors
Item: 510511


The replacement G50 (RP50 87R) Maintenance Kit is designed to replace wear parts inside each 1/2 HP G50 (RP50 87R) Airmax SilentAir Dual Rocking Piston Compressor. We recommend installing a maintenance kit every 12 to 18 months to ensure optimum airflow performance. Kit includes everything you need to restore your Airmax Aeration System to its maximum potential.

This maintenance kit is compatible with aeration models: PondSeries® PS20 (purchased 2022-present), Shallow Water HP Series SW40HP, PondSeries PS20, PS30, and LakeSeries® LS40 systems (purchased 2016-2022).



Video - Maintenance Kit
Maintenance Kit Guide

Tech Specs

Kit Components

• 4 Head O-Rings
• 1 Valve Plate with Pre-Installed Leaf Valves
• 2 Cylinder Sleeves
• 2 Piston Cups
• 2 Cylinder O-Rings
• 4 Torx Head Screws

Required Tools

• T20 and T25 Torx Wrenches
• 5/32"Allen Wrench
• 1/4" Nut Driver


Accessories & Related Items




"Committed to Quality and Satisfaction ..."

Airmax is committed to product quality and your satisfaction. If you have any questions regarding the use of our products please don't hesitate to contact us. We would be happy to hear from you.


Item Numbers and UPC

Item Number
UPC Code
510511 813166027077 RP50 (87R) 1/2 HP

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