Graco 235009 Airless Sprayer Transducer
$145.69
$166.50
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The Graco 235009 Airless Sprayer Transducer is a key pressure-sensing component that keeps your airless sprayer operating at consistent PSI levels for smooth, reliable spray performance. It connects to the control system to monitor and regulate fluid pressure automatically.
- OEM part for many Graco ST, Duron, Nova, GM 3000, and LineLazer models.
- Ensures precise pressure feedback for optimal spray quality.
- Easy drop-in replacement for the original factory transducer.
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Genuine OEM Part
Fast Shipping (Order by 1 PM CST)
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Compatible Machines – Verified Fit List
- Graco 390 ST 231201
- Graco 390 STS 231353
- Graco 390 Duron 231553
- Graco 395 ST 231575
- Graco 395 Duron 231580
- Graco 450 ST 231547
- Graco 455 ST 231581
- Graco 490 ST 231208
- Graco 490 ST Hi-Boy 231357
- Graco 495 ST 231584
- Graco 495 ST Hi-Boy 231586
- Graco 495 ST Hi-Boy 232676
- Graco 495 ST Lo-Boy 231585
- Graco 495 Duron 232654
- Graco 495 Duron Hi-Boy 232655
- Graco Nova Plus 824002
- Graco Nova SP 820158
- Graco Nova SPX 824012
- Graco Nova SPX (Old) 820226
- Graco Super Nova SP (New) 824175
- Graco Super Nova SP (New) 820169
- Graco Super Nova SP (Old) 820248
- Graco Pro 301 ST 231202
- Graco Pro 301 STS 231344
- Graco Pro 501 ST 231299
- Graco GM 3000 Lo-Boy (Bare) 231550
- Graco GM 3000 Lo-Boy 231552
- Graco GM 3000 Upright (Bare) 231363
- Graco GM 3000 Upright 231551
- Graco 3000 LineLazer 232650
- Graco 3000 LineLazer 233010
Product Overview
The Graco 235009 Airless Sprayer Transducer is a mechanical pressure transducer that senses fluid pressure and sends a signal to the sprayer’s control system to maintain consistent PSI and spray quality.
| Part Number | 235009 |
|---|---|
| Type | Mechanical pressure transducer (airless systems) |
| Primary Function | Monitors system pressure and relays it to the control electronics for stable spray output. |
| Typical Use | Replacement sensor for compatible Graco ST / STS / Duron / Nova / GM 3000 / LineLazer models (see list above). |
Key Benefits
- Helps the sprayer hold a steady pressure for uniform finish.
- Protects equipment by allowing the controller to react to over-/under-pressure conditions.
- Direct replacement for numerous legacy Graco models for quick repairs and minimal downtime.
Install & Compatibility Notes
- Confirm your exact model/serial and the transducer’s thread/connector match before ordering.
- Relieve pressure, power off, and follow the service manual when replacing the sensor.
- After installation, test at low pressure first and check for leaks or error codes.
Frequently Asked Questions
It measures the sprayer’s fluid pressure and sends that signal to the control module so the machine can maintain the set PSI and protect components.
Match your model and part diagram to 235009 and verify the electrical connector and thread size. If your OEM list shows 235009, this is the correct replacement.
It’s a transducer that sends a proportional signal rather than a simple on/off. Some sellers may casually call it a switch, but this part provides continuous feedback to the controller.
Most units don’t require special calibration—just set your working pressure and verify gauge/controller readings match expected output. Consult your model’s service manual for specifics.
Yes—there are aftermarket kits that replace 235009. Ensure quality and compatibility, and note that OEM parts are typically preferred for best performance.
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