Hydra part 441-027 is a reset body designed to house the thermal overload reset mechanism on compatible Hydra M and Hydra Pro Super sprayers. This component provides the mounting structure and alignment for the reset pin, spring, and cap. Replacing a cracked, worn, or damaged reset body ensures proper operation of the overload reset function and maintains protection for internal components.
| Part Number | 441-027 |
|---|---|
| Part Description | Reset Body |
| Brand | Hydra |
| Fits | Hydra M, Hydra Pro Super |
| Condition | New |
The Hydra 441-027 Reset Body is a molded component that houses the thermal overload reset mechanism on compatible Hydra sprayers. It provides the structural framework that holds the reset pin, spring, and cap in proper alignment, ensuring reliable operation of the overload reset function.
The reset body serves as the foundation for the entire reset assembly. It mounts to the control panel or housing and contains the bore through which the reset pin travels. Proper alignment is critical for the pin to correctly engage the thermal overload switch. Over time, reset bodies can become cracked from impact, warped from heat exposure, or worn at the pin bore. A damaged reset body can cause the reset pin to bind, misalign, or fail to actuate the switch properly. Replacing the reset body restores the correct geometry and ensures the reset mechanism functions as intended.
| Component housing | Contains and aligns the reset pin, spring, and cap |
|---|---|
| Mounting structure | Provides attachment points to the control panel |
| Pin guidance | Ensures the reset pin travels straight to actuate the switch |
| Cracks / fractures | Body is physically damaged and compromised |
|---|---|
| Worn pin bore | Bore is enlarged, allowing excessive pin play |
| Broken mounting tabs | Attachment points are broken, preventing secure mounting |
| Missing body | Body absent, reset components have no support |
Hydra part 441-027 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 Body |
| Hydra Pro Super | Reset Body |
When replacing the reset body, 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.
Protects the reset mechanism from debris; replace if cracked or missing.
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