Hydra part 441-031 is a reset cap designed to cover and protect the thermal overload reset mechanism on compatible Hydra M and Hydra Pro Super sprayers. This cap prevents debris and moisture from entering the reset assembly while providing a finished appearance. Replacing a cracked, broken, or missing reset cap ensures the reset mechanism remains clean and fully functional.
| Part Number | 441-031 |
|---|---|
| Part Description | Reset Cap |
| Brand | Hydra |
| Fits | Hydra M, Hydra Pro Super |
| Condition | New |
The Hydra 441-031 Reset Cap is a protective cover designed to fit over the thermal overload reset mechanism on compatible Hydra sprayers. It shields the reset pin and spring from dirt, moisture, and impact damage while providing a clean, finished look to the control panel.
The reset cap serves both protective and aesthetic functions. It prevents contaminants from entering the reset assembly, which could cause sticking or corrosion of the reset mechanism. Over time, reset caps can become cracked from UV exposure, brittle from temperature cycling, or damaged during routine handling. A missing or damaged cap leaves the reset mechanism exposed, increasing the risk of debris ingress and potential reset failure. Replacing the reset cap restores full protection and maintains the professional appearance of your sprayer.
| Protection | Shields the reset mechanism from dirt, moisture, and debris |
|---|---|
| Appearance | Provides a finished, professional look to the control panel |
| Containment | Helps retain the reset pin and spring in proper position |
| Cracked / broken | Cap is physically damaged and no longer provides full coverage |
|---|---|
| Missing cap | Cap lost, leaving reset mechanism exposed |
| Brittle / degraded | Material has hardened and may crack during handling |
| Loose fit | Cap no longer seats securely over the reset assembly |
Hydra part 441-031 is compatible with the following sprayer models. Always confirm fitment using the correct parts diagram for your exact model and serial number.
| Model | Component |
|---|---|
| Hydra M | Reset Cap |
| Hydra Pro Super | Reset Cap |
When replacing the reset cap, these associated components are often inspected or replaced at the same time.
The pin that actuates the overload switch; inspect for damage or wear.
Returns the reset pin to its resting position; check for stretching or breakage.
If the reset mechanism is problematic, the switch itself may need testing or replacement.
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