Photo of Airmax SilentAir RP50 (72R) 1/2 HP Maintenance Kit
Photo of Airmax SilentAir RP50 (72R) 1/2 HP Maintenance Kit
Airmax SilentAir RP50 (72R) 1/2 HP Maintenance Kit
Photo of Airmax SilentAir RP50 (72R) 1/2 HP Maintenance Kit
Photo of Airmax SilentAir RP50 (72R) 1/2 HP Maintenance Kit
Airmax SilentAir RP50 (72R) 1/2 HP Maintenance Kit
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Airmax SilentAir RP50 (72R) 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 RP50 (72R) 1/2 HP Maintenance Kit
Airmax SilentAir RP50 (72R) 1/2 HP Maintenance Kit
$322.38
$402.98

The G50 (RP50 72R) Replacement Maintenance Kit is designed for Airmax SilentAir 1/2 HP Dual Rocking Piston Compressors that are in Airmax PondSeries PS40 and LakeSeries LS20, LS30, LS40, and LS60 aeration systems that were purchased before 2022. Each kit includes everything you need to restore a single compressor to its maximum potential. We recommend installing a maintenance kit every 12 to 18 months to ensure optimum airflow performance.

Kit Components

  • 2 Valve Plates With Pre-Installed Leaf Valves
  • 2 Head O-Rings
  • 2 Cylinder Sleeves
  • 2 Piston Cups
  • 2 Cylinder O-Rings
  • 8 Screws (4 have the Torx Head)
  • 4 Tube O-Rings
  • 1 Pinch Clamp (Included in case of pinch clamp failure)

Required Tools

  • T20 and T25 Torx Wrenches
  • 1/8", 5/32", 1/4" , 1/2", 5/8" Allen Wrenches
  • Pick Tool
  • Pipe Join Compound or Teflon Tape
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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