The Wacker Neuson Switch is a genuine OEM component designed for the HI 770 XHD Indirect Air Heater series, including diesel-fired 2x12, 1x16, and 1x20 duct configurations as well as Extra Heavy Duty Air Heater variants. As a factory-sourced part, the matches the original specification for seamless integration into the heater's control circuit without guesswork or adaptation. Keeping the correct switch in place ensures the unit responds accurately to operator commands — a critical requirement when heating enclosed jobsite structures or curing concrete in cold-weather conditions.
Key Features
- Correct Electrical Specification: — Genuine OEM construction ensures the switch carries the correct voltage and current rating for the HI 770 XHD control circuit, maintaining safe and accurate operation.
- Drop-In Connector Match: — Designed to the original wiring and mounting configuration, the 5000166723 seats and connects exactly as the factory-installed unit did.
- Broad HI 770 XHD Coverage: — Fits multiple HI 770 XHD Indirect Air Heater configurations, including 2x12, 1x16, and 1x20 diesel duct variants and Extra Heavy Duty models.
- Reliable Heater Control: — A functioning switch gives operators consistent on/off and mode control; a failed switch can render the entire heater inoperable during cold-weather pours or winter enclosure work.
- Electrical Safety Compliance: — Using a genuine OEM switch preserves the integrity of the heater's electrical system, reducing the risk of unintended operation or circuit faults in a fuel-fired appliance.
A switch in an indirect-fired diesel air heater serves as the primary operator interface for the unit's control system — it signals the heater to start, stop, or change operating mode. When the switch fails or becomes intermittent, the heater may refuse to ignite, shut down unexpectedly, or fail to respond to operator input, which can disrupt temperature-sensitive work like concrete curing or cold-weather construction enclosure heating. Replacing a worn or damaged switch with the correct OEM part restores full, predictable control of the heater and keeps the unit operating as designed.
Part Details
| Part Number | 5000166723 |
|---|---|
| Old Part Number | 0166723 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Switch |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| HI 770 XHD Indirect Air Heater, Diesel, 2x12 | Arctic Bear XHD | 5000620676 |
| HI 770 XHD Indirect Air Heater, Diesel, 1x16 | HI770XHD | 5000620183, 5200003814, 5200004934, 5100049894 |
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.
