HQUA-PAS20RB Rebuild Kit, Version 2021. Fit for HQUA-PAS10, PAS20 Aeration System which was Manufactured from 2021-2022, Sold from March, 2021 to March 2023.

This piston ring, crafted from durable steel, is designed for the PAS20 system. With an outer diameter of 2 1/2 inches, a thickness of 5/64 inches, and a height of 29/32 inches, it offers a sturdy and reliable solution. The set includes two pieces, ensuring you have a spare on hand for seamless maintenance or replacement. Whether for industrial or mechanical applications, this piston ring is built to withstand demanding conditions and deliver consistent performance.

• Compatiblity: Manufactured for use with the HQUA PAS10, PAS20 system that been manufactured from 2021 to 2022, sold from March, 2021 to March, 2023.
• If the motor is working but there's not as much air or bubbles as there used to be. The air compressor should be rebuilt. The air compressor need to be rebuilt every 9000-18000 hours due to the worn out of the gaskets, pistons, piston caps.
• Each package contains two gaskets for top cover, two piston cups, two gaskets for valve plate, and two cylinders(pistons).
• Critical dimensions of the piston(cylinder): 2-1/2 inch OD, 5/64 inch Thickness, 29/32 inch Height,(24.1mm).
• Easy to install and maintain, an instruction manual book is included.
• Search PAS20RB, version 2023 or ASIN B082VPKGGZ for those aeration system that Manufactured from 2023, Sold from March, 2023.