The Multiquip 1042617 Thermal Protector is a genuine OEM component designed for ST4125D and ST6125D submersible clean water pumps. As a direct OEM replacement, it is manufactured to the same specification as the original part, ensuring proper integration with the pump's motor protection system. This part is verified to fit ST4125D and ST6125D models, making it a straightforward service solution for maintaining pump safety and longevity.
Key Features
- OEM-Grade Thermal Cutoff Accuracy — Engineered to trip at the correct temperature threshold, protecting the motor winding from heat damage without nuisance tripping under normal load.
- Drop-In Motor Integration — Matches the original mounting configuration and electrical connection points of the ST4125D and ST6125D motor assemblies for a direct swap during service.
- Confirmed Fitment — Verified for ST4125D and ST6125D Multiquip submersible clean water pumps.
- Motor Overheating Defense — A correctly functioning thermal protector interrupts power before winding temperatures reach damaging levels, preventing motor burnout and costly motor replacement.
- Genuine Multiquip OEM Part — Sourced directly through the Multiquip OEM supply chain under part number 1042617, ensuring authenticity and consistency with the original design intent.
A thermal protector is a safety device embedded in or mounted near the pump motor that monitors operating temperature. When the motor runs too hot — caused by dry running, sustained overload, or blocked flow — the thermal protector cuts the electrical circuit to shut the pump down before heat destroys the motor windings. Once the motor cools to a safe temperature, the protector resets and allows the pump to restart. A failed or bypassed thermal protector leaves the motor fully exposed to overheating, which typically results in winding failure and complete motor loss.
For fitment questions or help confirming this part is right for your machine, contact the DHS Equipment team.
Part Details
| Part Number | 1042617 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Thermal Protector |
Compatibility & Fitment
| Name | Model |
|---|---|
| MQ Submersible Pumps Clean Water | ST4125D |
| MQ Submersible Pumps Clean Water | ST6125D |
Verify Before You Order
Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.
Why Buy From DHS Equipment
Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.
Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.
