The Wacker Neuson Photo Cell is a genuine OEM component designed for the HI 770 XHD Indirect Air Heater series, including diesel configurations. As a direct OEM replacement, this part is manufactured to the same specification as the original, ensuring proper burner control operation across all HI 770 XHD variants. Compatible with multiple HI 770 XHD configurations including the 2x12, 1x16, and 1x20 diesel setups, this photo cell is the correct part for keeping your indirect-fired heater running as intended.
Key Features
- Genuine OEM Flame Detection Accuracy — Manufactured to original specification, ensuring the photo cell responds to burner flame at the correct sensitivity threshold for safe and consistent heater operation.
- Drop-In Replacement for HI 770 XHD Heaters — Engineered to seat and connect exactly as the original, fitting all HI 770 XHD indirect air heater configurations including Arctic Bear XHD and Arctic Bear XHD NS variants.
- Broad HI 770 XHD Series Coverage — Fits multiple machine numbers across the HI 770 XHD family, covering diesel 2x12, 1x16, and 1x20 configurations as well as Extra Heavy Duty Air Heater builds.
- Critical Burner Control Function — A failed or degraded photo cell can cause nuisance lockouts, failure to ignite, or uncontrolled burner cycling; replacing it restores proper flame-sensing response and stable heat output.
- Fuel System Safety Relevance — The photo cell is a key safety component in the burner control circuit — using a correctly rated OEM part maintains the integrity of the heater's automatic flame-out shutoff response.
The photo cell is a flame-sensing component within the burner control assembly of an indirect-fired air heater. It monitors the burner flame by detecting the light output of combustion and signals the control board to confirm ignition has occurred. If the photo cell weakens, becomes contaminated, or fails entirely, the control board can no longer verify a live flame — causing the heater to lock out, shut down unexpectedly, or refuse to ignite. Replacing a faulty photo cell restores proper communication between the burner and control system, allowing the heater to cycle correctly and deliver consistent, regulated heat output.
Part Details
| Part Number | 5000169259 |
|---|---|
| Old Part Number | 0169259 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Photo Cell |
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 |
| HI770XHD Indirect Heater | Arctic Bear XHD NS | 5000620690 |
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.
