Hydra part 441-028 is a reset pin designed to manually reset the thermal overload switch or other protective devices on compatible Hydra M and Hydra Pro Super sprayers. This pin allows operators to restore power to the system after an overload event, ensuring safe and convenient restarting once the fault condition has been cleared. Replacing a broken, missing, or damaged reset pin restores proper overload protection functionality and ensures the sprayer can be safely reset after a thermal trip.
| Part Number | 441-028 |
|---|---|
| Part Description | Reset Pin |
| Brand | Hydra |
| Fits | Hydra M, Hydra Pro Super |
| Condition | New |
The Hydra 441-028 Reset Pin is a small but essential component used to manually reset the thermal overload protector on compatible Hydra sprayers. When the motor draws excessive current due to an overload condition, the thermal switch trips to prevent damage. The reset pin allows the operator to push the switch back to its closed position once the fault has been corrected.
Over time, reset pins can become broken, bent, or lost, making it impossible to reset the overload protector. A missing or damaged pin leaves the sprayer inoperable or may require unsafe workarounds. Replacing the reset pin restores the proper, safe method of resetting the thermal overload, ensuring the sprayer can be returned to service quickly and reliably.
| Overload reset | Manually resets the thermal overload switch after a trip |
|---|---|
| Safety restoration | Allows safe restarting once the fault condition is cleared |
| Operator interface | Provides a convenient point to actuate the reset mechanism |
| Broken / bent | Pin is physically damaged and cannot actuate the switch |
|---|---|
| Missing pin | Pin absent, leaving no way to reset the overload |
| Loose / unresponsive | Pin moves but does not engage the switch |
| After overload event | Inspect pin for damage if it was used to reset a severe overload |
Hydra part 441-028 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 Pin |
| Hydra Pro Super | Reset Pin |
Reset pin issues may involve associated components. When servicing the reset pin, these parts are commonly inspected or replaced at the same time.
If the reset pin is damaged, the switch itself may also be worn; test and replace if necessary.
Check the area around the reset pin for damage or deformation.
If the overload tripped frequently, inspect the motor and wiring for underlying issues.
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