Graco 24K857 Standard Poly Air Valve Replacement Kit Large

Graco 24K857 KIT RPLC AIR VALVE STD POLY, LG

Compatible Machines / Pump Models

• Replacement air valve kit for Graco Husky 3300 Air‑Operated Diaphragm Pumps
• Specifically used on polypropylene center section models
• Fits pumps such as 652400, 652404, 652414, and 652423 configurations
• Ideal for pump maintenance and performance restoration

Product Overview

The Graco 24K857 KIT RPLC AIR VALVE STD POLY, LG is a genuine OEM replacement air valve kit intended to replace worn or damaged air valve assemblies on Husky 3300 series diaphragm pumps with polypropylene center sections. This kit helps restore smooth diaphragm pump cycling and improves reliability for fluid transfer tasks.

Key Benefits

• Restores proper air valve function for diaphragm pumps.
• OEM Graco components ensure correct fit and long life.
• Helps maintain smooth valve changeover during cycling.
• Improves pump performance and reduces downtime.

Installation & Service Tips

• Always depressurize the pump prior to service.
• Clean the air valve housing before installing new components.
• Install gasket properly to prevent air leakage.
• Inspect fasteners for corrosion and replace if needed.
• Run the pump briefly after installation to confirm proper cycling.

Confirm your pump’s center section material before ordering to ensure correct fitment.