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

$322.38
$402.98
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Ships in 2–14 business days, depending on availability.

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Photo of Airmax SilentAir G50 (RP50 87R) 1/2 HP Maintenance Kit
Airmax SilentAir G50 (RP50 87R) 1/2 HP Maintenance Kit
$322.38
$402.98

The replacement G50 (RP50 87R) Maintenance Kit is designed to replace worn 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).

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
Shipping Information

We aim to get your pond and water garden supplies to you as quickly as possible.

  • Orders over $199 CAD ship free across Canada (excluding oversized items).
  • A flat rate of $14.99 applies to all smaller orders.
  • Standard delivery takes 1 to 4 business days.
  • Most in-stock items are dispatched within 24 hours.
  • Special order items may require 2 to 14 business days before shipping, depending on availability.
Returns & Exchanges

If something isn’t quite right, we’ve got you covered.

  • Returns are accepted within 30 days of delivery.
  • Items must be unused, in original packaging, and include all parts and proof of purchase.
  • Items marked as Clearance are final sale and cannot be returned or exchanged.

For full details, please review our Shipping Policy and Refund Policy.

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