The Wacker Neuson Nozzle Body Holder is a genuine OEM component designed for the HSH700 and HSH650 hydronic surface heaters. As a factory-sourced part, it carries the exact dimensions, materials, and specifications required by Wacker Neuson engineering — ensuring a correct, hassle-free installation every time. This part fits both the HSH700 and HSH650 series, making it a reliable option whether you're servicing a single unit or maintaining a fleet. Keep a verified replacement on hand to minimize costly service interruptions during cold-weather operations.
Key Features
- Genuine OEM Construction — Manufactured to Wacker Neuson's exact fuel delivery tolerances, ensuring the nozzle holder maintains correct spray positioning and a secure, leak-free seat for the injector nozzle.
- Direct Drop-In Replacement — Matches the original mounting interface of the HSH700 and HSH650 fuel systems, slotting into position without rework or adaptation.
- Confirmed Fitment for HSH Series — Verified compatible with the HSH700 and HSH650 hydronic surface heaters, covering both model variants in the HSH lineup.
- Sustains Consistent Fuel Atomization — A correctly seated nozzle body holder keeps the burner nozzle properly aligned and supported, which is critical for clean, efficient combustion and consistent heat output across the heating circuit.
- Fuel System Integrity — A worn or cracked holder can allow nozzle misalignment or fuel seepage at the burner assembly; replacing it promptly preserves safe, code-compliant heater operation on active job sites.
The nozzle body holder — also referred to as a nozzle holder — is the structural component in the burner assembly that positions and retains the fuel injection nozzle at the correct depth and angle relative to the combustion chamber. It acts as the mounting interface between the fuel line and the nozzle tip, ensuring fuel is atomized in precisely the right location for efficient ignition. When this holder cracks, warps, or develops wear at the seating surface, the nozzle can shift out of alignment, leading to incomplete combustion, increased fuel consumption, hard starts, or sooting of the heat exchanger — all signs that the holder needs immediate attention.
Part Details
| Part Number | 5000176521 |
|---|---|
| Old Part Number | 0176521 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Nozzle Body Holder |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| HSH700 | HSH700G | 5000620243 |
| HSH650 | HSH650 | 5000620991 |
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.
