The Wacker Neuson is a genuine OEM O-Ring designed for the HSH380, HI1000, E1250, and E3000 heating equipment series. As a factory-sourced component, it is manufactured to the exact material and dimensional specifications required to maintain fluid-tight seals within these machines. This O-Ring is confirmed compatible with multiple configurations across the HI1000 Indirect Air Heater, HSH380 Hydronic Surface Heater, E1250 Hydronic Heater, and E3000 Ground Heater lines. Ordering by part number ensures you receive the correct seal geometry and compound grade for your specific unit.
Key Features
- Correct Elastomer Grade — Genuine OEM material specification ensures the seal compound is rated for the fluid types, pressures, and temperature ranges present in Wacker Neuson heating systems.
- Drop-In Seal Replacement — Dimensioned to seat directly into the existing groove without stretching, trimming, or modification, maintaining proper compression on installation.
- Broad Heater Family Coverage — A single part number covers HI1000 Indirect Air Heater, HSH380S and HSH380B Hydronic Surface Heater, E1250S and E1250P Hydronic Heater, and E3000 Ground Heater variants — LP/NG, Diesel, and generator-equipped configurations included.
- Leak Prevention Where It Counts — A correctly seated O-Ring keeps fuel, coolant, or hydraulic fluid contained within the circuit; a failed or aged seal can allow fluid ingress or loss that disrupts heater output and may cause a system shutdown.
- Fuel and Fluid System Integrity — In heating equipment, a compromised seal in a fuel or fluid circuit presents a fire and safety risk; using the correct OEM-specification O-Ring supports proper system containment and safe operation.
An O-Ring is a circular elastomeric seal seated in a machined groove between two mating surfaces or around a shaft or fitting. Its purpose is to prevent the passage of fluids or gases by compressing against the groove walls when the joint is assembled, creating a pressure-tight barrier. In heating equipment like the HI1000 and HSH380 series, O-Rings appear throughout fuel, coolant, and fluid circuit connections; when an O-Ring hardens, cracks, or loses compression set over time, the result is a weeping or active leak that can reduce system efficiency, trigger fault conditions, or create a hazardous situation requiring the machine to be taken out of service.
Part Details
| Part Number | 5100015678 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | O-Ring |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| E1250S | E1250S | 5200012355, 5200012354 |
| E 1250P Hydronic Heater, Premium, Diesel | E1250P | 5200012357, 5200012356 |
| E3000 Ground Heater, 6kW Gen LB TC | E3000 | 5100025046, 5100025045 |
| HSH 380S-Natural Gas/Propane, w/Generator | HSH380S | 5200012370, 5200012371 |
| HI1000 Indirect Air Heater, DGM, Electric Break | HI1000DGM | 5200011234, 5200011235, 5100049275, 5100049276 |
| HSH380B-Diesel, without generator | HSH380B | 5200012359 |
| HI1000 | HI1000 | 5100049274 |
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.
