The Multiquip EM98002 Diode is a genuine OEM electrical component designed for ST-45HRM and ST-70 submersible pumps. As a direct OEM replacement, this diode is sourced from Multiquip and built to the same specification as the original part, ensuring correct electrical performance in your pump's circuitry. Confirmed fitment covers the ST-45HRM and ST-70 models, making part selection straightforward when you match your model code.
Key Features
- Genuine OEM Electrical Specification — Manufactured to the original current and voltage ratings for the ST-45HRM and ST-70 pump circuits, ensuring proper one-directional current flow without guesswork.
- Direct Drop-In Replacement — Matches the original mounting configuration and connection points, allowing a straightforward swap with no improvisation needed.
- Confirmed Fitment for ST-45HRM and ST-70 — Verified compatibility with both Multiquip submersible pump models, so you can order with confidence.
- Protects Downstream Electrical Components — A correctly functioning diode prevents reverse current from damaging motors, control boards, and wiring in the pump system.
- Electrical Safety Assurance — Using the correct OEM-rated diode in a submersible pump application is critical; an undersized or incorrect component can create fault conditions or premature motor failure.
A diode is a one-way electrical valve — it allows current to pass in a single direction while blocking reverse flow. In a submersible pump, the diode protects sensitive motor windings and control circuitry from voltage spikes and back-EMF that occur during startup and shutdown cycles. When a diode fails, the pump may exhibit erratic operation, fail to start, or suffer progressive damage to other electrical components downstream.
For fitment questions or help confirming compatibility with your specific unit, contact the DHS Equipment team directly.
Part Details
| Part Number | EM98002 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Diode |
Compatibility & Fitment
| Name | Model |
|---|---|
| Submersible Pumps | ST-45HRM |
| Submersible Pumps | ST-70 |
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.
