Titan part 704-364 is a capacitor / rectifier kit used in the electrical system of compatible airless sprayers. The capacitor provides starting torque for the motor, while the rectifier converts AC to DC for control circuits. Replace a failed capacitor (motor hums but won't start) or rectifier (erratic operation) with this kit to restore proper motor function, reliable starting, and consistent performance on RentSpray Plus, Performer 640I, and Airless Sprayer 640I units.
| Part Number | 704-364 |
|---|---|
| Part Description | Capacitor / Rectifier Kit |
| Brand | Titan |
| Fits |
|
| Condition | New |
The Titan 704-364 Capacitor / Rectifier Kit includes the electrical components necessary to restore proper motor starting and control circuit function on select airless sprayers. The capacitor provides the phase shift needed for single‑phase AC motors to develop starting torque, while the rectifier converts AC voltage to DC for low‑voltage control boards, relays, or solenoid valves. This kit is a direct replacement for original components.
Over time, capacitors can lose capacitance, dry out, or short, causing the motor to hum but not start, or to draw excessive current. Rectifiers can fail due to voltage spikes or overheating, resulting in erratic sprayer behavior, control board malfunctions, or complete loss of low‑voltage functions. Replacing failed components with a genuine Titan 704-364 kit restores reliable motor starting, smooth operation, and proper electrical system performance on RentSpray Plus, Performer 640I, and Airless Sprayer 640I models.
| Motor starting | Capacitor provides starting torque to spin the motor |
|---|---|
| AC to DC conversion | Rectifier supplies DC voltage for control circuits |
| Stable operation | Ensures consistent motor run and control function |
| Motor hums but won't start | Capacitor failure – motor draws current but doesn't spin |
|---|---|
| Slow or weak starting | Motor starts slowly or requires help to turn |
| Erratic control behavior | Sprayer runs intermittently or control board malfunctions |
| Visible damage | Bulging, leaking, or burnt smell from capacitor/rectifier |
Titan part 704-364 is compatible with the following airless sprayers. Always confirm fitment using the correct parts diagram for your exact model.
| Brand / Model | Component |
|---|---|
| RentSpray Plus | Capacitor / rectifier kit |
| Performer 640I | Capacitor / rectifier kit |
| Airless Sprayer 640I | Capacitor / rectifier kit |
When replacing the capacitor / rectifier kit, inspect these related electrical components.
A faulty centrifugal or electronic start switch can mimic capacitor failure.
Check for damage or loose connections that could cause voltage drop.
A failed rectifier may have damaged the control board – test separately.
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