

Part 830-340 is a muffler kit used on compatible AirCoat and PowrCoat sprayers to reduce exhaust noise and direct airflow away from internal components. Proper muffler function supports quieter operation and helps maintain safe exhaust discharge during spraying.
| Part Number | 830-340 |
|---|---|
| Part Description | Muffler Kit |
| Function | Exhaust noise reduction / airflow control |
| Fits | AirCoat and PowrCoat (423, 630 respectively ) |
| Condition | New |
The 830-340 Muffler Kit is designed for use on AirCoat 423 and PowrCoat 630 sprayers to manage exhaust airflow and reduce operational noise. The muffler assembly helps direct exhaust safely away from the machine while contributing to a quieter working environment.
A damaged or clogged muffler can increase noise levels, restrict airflow, or allow exhaust to discharge improperly. Replacing the muffler kit restores proper exhaust flow and supports normal sprayer operation.
| Noise reduction | Reduces exhaust noise during operation |
|---|---|
| Airflow management | Directs exhaust away from the sprayer |
| Operational comfort | Supports quieter jobsite conditions |
| Excessive noise | Noticeable increase in exhaust sound |
|---|---|
| Restricted airflow | Blocked or clogged muffler |
| Physical damage | Cracks, dents, or broken components |
| Routine service | During exhaust or airflow system maintenance |
Part 830-340 is compatible with the following sprayers. Always verify exhaust configuration using the appropriate parts diagram.
| Sprayer Model | Component |
|---|---|
| AirCoat 423 | Muffler kit |
| PowrCoat 630 | Muffler kit |
Muffler replacement is often paired with inspection of other airflow components.
Loose fittings can affect exhaust flow.
Proper valve operation supports correct airflow.
Secure mounting prevents vibration and noise.