The Wacker Neuson Seal is a genuine OEM component designed for the HDR 155 Direct Fired Radiant Heater and HDR 45 direct fired radiant heaters. As a factory-sourced part, it is manufactured to the exact material and dimensional specifications required by the original equipment, ensuring a correct, leak-free installation every time. If your current seal is showing signs of wear, cracking, or heat-related degradation, replacing it with the restores the heater's ability to operate safely and efficiently. Verify your model number before ordering to confirm fitment with your specific HDR series unit.
Key Features
- Genuine OEM Heat Resistance: — Manufactured from materials specified for the thermal demands of direct fired radiant heater applications, maintaining integrity under sustained high-temperature cycling.
- Direct Drop-In Replacement: — Engineered to the original profile and dimensions of the HDR series, seating correctly into existing hardware without rework or adaptation.
- Confirmed HDR Series Fitment: — Compatible with the HDR 155 Direct Fired Radiant Heater and HDR 45, covering both units within the Wacker Neuson direct fired radiant heater lineup.
- Restored Combustion Integrity: — A fresh, properly seated seal prevents combustion gases and heat from escaping at critical junctions, keeping the heater operating at rated output.
- Safety-Critical Replacement: — On fuel-burning heating equipment, a degraded seal can compromise combustion containment and create hazardous operating conditions; timely replacement with the correct OEM part is essential for safe continued use.
A seal on a direct fired radiant heater serves as a barrier between combustion chambers, fuel pathways, or flue connections, preventing the escape of hot gases, fuel vapors, or combustion byproducts into areas where they could cause damage or create a hazard. Over time, the extreme heat cycles of a direct fired heater cause seals to harden, crack, or compress permanently, leading to gas leaks, reduced heating efficiency, and potentially unsafe operating conditions. Replacing a worn seal promptly with the correct OEM part restores tight containment and keeps the heater performing as intended.
Part Details
| Part Number | 5200011802 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Seal |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| HDR 155 Direct Fired Radiant Heater | HDR155 | 5200007530 |
| HDR 45 | HDR45 | 5200013800 |
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.
