The Wacker Neuson 2 Wire Engine Switch is a genuine OEM component designed for HSH350 Hydronic Surface Heaters and E1100 Ground Heaters. Sourced directly from Wacker Neuson, this switch delivers exact OEM specifications for a direct, confident replacement. Compatible across the HSH350 and E1100 series, the is the correct part for both 50Hz and standard configurations within these heater families.
Key Features
- Genuine OEM Electrical Specification — Manufactured to Wacker Neuson's exact switching circuit requirements, ensuring correct voltage handling and contact continuity for heater engine control.
- Direct Two-Wire Connection — Designed as a straight two-wire drop-in replacement that connects directly to the existing engine control harness with no splicing or adapter wiring needed.
- Verified Fitment for HSH350 and E1100 Series — Confirmed compatible with HSH350 Hydronic Surface Heaters and E1100 Ground Heaters, including 50Hz variants, covering a broad range of surface heating applications.
- Critical Engine Control Function — Maintains reliable start, stop, and shutdown signaling for the heater engine; a faulty switch can prevent startup or disable emergency shutoff, leaving the unit inoperable or unsafe.
- Electrical Safety Compliance — As a primary engine control switch on fuel-burning heating equipment, using a genuine OEM replacement ensures the shutoff circuit performs as intended under load and in cold-weather operating conditions.
The engine switch on a surface heater serves as the primary electrical control point for starting and stopping the unit's engine or burner system. It completes or interrupts the ignition and control circuit, allowing the operator to safely power the heater on and off, and enabling automatic shutdown sequences when fault conditions occur. When this switch fails — through corrosion, contact wear, or wiring fatigue — the heater may refuse to start, fail to shut down on command, or lose its emergency stop capability, all of which represent both operational and safety concerns on a cold-weather worksite.
Part Details
| Part Number | 5200007503 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | 2 Wire Engine Switch |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Hydronic Surface Heater | HSH350 | 5000620254, 5200001677 |
| E1100 GROUND HEATER | E1100 | 5000620172, 5200001676 |
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.
