Power Switch Replacement for Magnum/ProX Sprayers
Compatible Machines
This kit is designed for the following electric airless sprayers:
- Magnum / ProX17 — Stand & Cart models
- Magnum / ProX19 — Stand & Cart models
- Magnum / ProX21 — Stand & Cart models
Overview
The Graco 24Y329 Rocker Switch Kit is the genuine on/off power switch assembly for select Magnum/ProX series sprayers. Use it to replace a worn, intermittent, or failed switch and restore reliable power control to your unit.
Key Features
- OEM quality for proper fit and long service life.
- Complete assembly — rocker switch with mounting hardware (as supplied by Graco).
- Quick install with basic hand tools; no soldering typically required.
- Restores safe operation with positive on/off feedback.
What’s Included
- Rocker switch assembly
- Mounting hardware/bracket (per Graco kit contents)
- Install guidance (basic instructions)
Specifications
| Part Number | 24Y329 |
| Type | On/Off Rocker Switch Kit |
| Compatibility | Magnum/ProX17, ProX19, ProX21 (Stand & Cart) |
| Application | Electric Airless Paint Sprayers |
Installation Tips
- Disconnect power and relieve system pressure before any service.
- Note wire orientation on the old switch (take a photo) to ensure correct reconnection.
- Secure the new 24Y329 switch and verify firm rocker action.
- Perform a brief test run to confirm proper on/off operation.
Frequently Asked Questions
It fits Magnum/ProX17, ProX19, and ProX21 (Stand & Cart). Always confirm with your sprayer’s exact model/serial and parts manual before ordering.
Common signs include intermittent power, no response when switching ON, or the sprayer shutting off unexpectedly. If wiring and fuse are good, replacing the 24Y329 switch is recommended.
Typically just basic hand tools (screwdriver, pliers). Follow safety steps: disconnect power and relieve pressure prior to service.
Yes. The Graco 24Y329 Rocker Switch Kit is a genuine OEM replacement kit for the listed ProX models.
Unplug the sprayer, relieve pressure, and verify correct wire placement. If you’re unsure about wiring, consult a qualified technician or your model’s service manual.
