The Wacker Neuson Expansion Tank is a genuine OEM component designed for the E3000 Ground Heater and E3000 Hydronic Surface Heater series, including liftbail, generator, and temperature-controlled configurations. As a direct OEM replacement, this part is manufactured to the same specifications as the original, ensuring proper fit and system integrity across all E3000 variants. Whether you're servicing a standard ground heater or a fully equipped hydronic surface heater with an integrated generator, part number is the correct replacement for your application. Verify your machine model against the fitment list before ordering to confirm compatibility.
Key Features
- Genuine OEM Pressure Containment — Manufactured to exact Wacker Neuson specifications, ensuring the tank maintains correct system pressure capacity and fluid volume tolerances for the E3000 heating circuit.
- Direct Drop-In Replacement — Matches the original mounting points and fluid connections on the E3000 platform, allowing straightforward installation without system modification.
- Broad E3000 Series Coverage — Compatible across the full E3000 family, including Ground Heater, Hydronic Surface Heater, liftbail, generator-equipped, and temperature-controlled variants.
- Protects the Heating Circuit — A properly functioning expansion tank absorbs thermal expansion in the fluid circuit; a failed or degraded tank can lead to pressure spikes, fluid loss, and heater shutdown.
- Fuel and Fluid System Safety — Correct expansion tank function is critical to maintaining safe operating pressure within the hydronic circuit, preventing overpressure conditions during extended heating cycles.
The expansion tank in a hydronic heating system serves as a pressure buffer for the circulating fluid. As the heating fluid warms up, it expands — the expansion tank absorbs that volume increase, keeping system pressure within safe operating limits. Without a functioning expansion tank, excess pressure can build up in the closed-loop circuit, triggering pressure relief events or causing damage to hoses, fittings, and the heater core itself. On E3000 ground heaters and hydronic surface heaters, maintaining a healthy expansion tank is essential to consistent heat output and safe long-term operation.
Part Details
| Part Number | 5000169478 |
|---|---|
| Old Part Number | 0169478 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Expansion Tank |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| E3000 Hydronic Surface Heater with generator | E3000 | 5000620219, 5000620679, 5000620158, 5000620678, 5200014677, 5200004952, 5100017807, 5100017809, 5200014678, 5200014679, 5200014720, 5100017806, 5100017808, 5200014721, 5100017810, 5100017811, 5100025046, 5100055568, 5100056441, 5100056440, 5100025045 |
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.
