Part 704-492A is a replacement pressure sensor assembly for compatible Impact and RentSpray equipment. This sensor monitors system pressure and sends signals to the control board, ensuring consistent spray performance. When the original sensor becomes faulty, causing pressure errors or erratic operation, replacement restores accurate pressure control.
| Part Number | 704-492A |
|---|---|
| Part Description | Pressure Sensor Assembly |
| Brand | Universal |
| Fits | 740 ix Airless Sprayer; Impact 440 service; impact 640 I and IA; impact 640; RentSpray 500; RentSpray 600 Impact; RentSpray 500 |
| Condition | New |
The 704-492A pressure sensor assembly is a direct replacement electronic component for 740 ix Airless Sprayer, Impact 440 service, impact 640 I and IA, impact 640, RentSpray 500, and RentSpray 600 Impact equipment. This sensor, also known as a pressure transducer, continuously monitors the fluid pressure within the system and converts it into an electrical signal sent to the control board. The control board uses this information to regulate motor speed and maintain consistent pressure, ensuring proper atomization and spray pattern. A faulty sensor can cause over-pressurization, pressure error codes, erratic operation, or material leaking from the drain tube when spraying. This replacement assembly is manufactured to meet original specifications for accurate pressure readings and reliable performance. It includes the sensor with integral electrical connector and pressure port fitting for a complete drop-in replacement. Installation requires proper electrical connection and sealing of the pressure port. Regular diagnostics help identify sensor issues before they affect spray quality.
| Pressure monitoring | Continuously measures system fluid pressure |
|---|---|
| Signal conversion | Converts pressure to electrical signal for control board |
| Pressure regulation | Enables control board to maintain consistent pressure |
| Pressure error codes | Control board displays pressure-related faults |
|---|---|
| Over-pressurization | Pressure exceeds normal operating range |
| Erratic pressure | Pressure fluctuates during operation |
| Drain tube leakage | Material leaks from drain tube when spraying |
Pressure sensor assembly 704-492A is compatible with the following models. Verify fit using your equipment's parts diagram.
| Compatible Models |
|---|
| 740 ix Airless Sprayer |
| Impact 440 service |
| impact 640 I and IA |
| impact 640 |
| RentSpray 500 |
| RentSpray 600 Impact |
When replacing the pressure sensor assembly, inspect these associated components to ensure proper pressure control.
Check for proper signal reception and function.
Inspect for damaged connections or corrosion.
Verify adjustment component functions correctly.
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