The Wacker Neuson Contact Block Switch No is a genuine OEM component designed for the HI260 and HI1000 Indirect Air Heater series, including diesel, gas, and DGM electric and surge brake configurations. As a direct OEM part, the is manufactured to the exact electrical specification of the original, ensuring correct contact engagement and circuit continuity within the heater's control system. This part covers a wide range of HI1000 and HI260 configurations, making it the right choice whether you're servicing a standard diesel unit or a DGM-spec machine.
Key Features
- Correct Contact Rating for Heater Control Circuits — Genuine OEM construction ensures the switch block meets the exact electrical contact specification of the original, maintaining proper switching behavior in the heater's control system.
- Drop-In Replacement — Built to match the original mounting footprint and terminal configuration, so the 5200025700 installs directly into the control assembly without modification.
- Broad HI Series Fitment — Compatible across the HI260 and HI1000 Indirect Air Heater family, including diesel, gas, DGM electric break, and DGM surge brake variants.
- Restored Heater Operation — A worn or failed contact block can prevent the heater from starting or cycling correctly; replacing it with this OEM part restores full control function and consistent ignition response.
- Electrical Safety Integrity — Using the correct OEM contact block maintains the designed switching load rating for the circuit, preventing undersized or mismatched contacts from causing arcing or control faults in a fuel-burning heater environment.
A contact block switch is an electrical switching component used in control panels and operator interfaces to open or close circuits when a button or selector is actuated. In indirect air heaters like the HI260 and HI1000, the contact block forms part of the control circuit that governs burner ignition, fan operation, and shutdown sequencing. When the contact block wears, corrodes, or fails, the heater may not respond to operator commands — resulting in a failure to start, an inability to shut down properly, or erratic control behavior that disrupts heating output on the worksite.
Part Details
| Part Number | 5200025700 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Contact Block Switch No |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| HI260 HEATER,OIL WITH TANK | HI260 | 5200018503, 5200018504 |
| HI1000 Indirect Air Heater, Diesel w/Tank | HI1000 | 5200011232, 5200011233, 5200011231, 5100049274, 5100049273 |
| HI1000 Indirect Air Heater, DGM, Electric Break | HI1000DGM | 5200011234, 5200011235, 5100049275, 5100049276 |
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.
