The Wacker Neuson O-Ring is a genuine OEM sealing component designed for the E1250S, E1250P, and E3000 series ground heaters and the HSH380 series hydronic surface heaters. As a factory-sourced part, the is manufactured to the exact material and dimensional specifications required to maintain a leak-free seal in Wacker Neuson heating equipment. This O-Ring is a direct-fit replacement that installs without modification across the wide range of compatible E-series and HSH-series models. Keep a spare on hand to minimize fluid loss and maintain consistent system pressure during demanding ground-thawing and surface-heating operations.
Key Features
- Genuine OEM Sealing Material — Manufactured to Wacker Neuson's exact compound and durometer specification, ensuring correct compression set and long-term seal integrity in hydraulic fluid or glycol circuits.
- Drop-In Replacement Fit — Matched to the original groove dimensions on E1250S, E1250P, E3000, and HSH380 series units, so the O-Ring seats correctly without trimming or adaptation.
- Broad Model Coverage — A single part number covers multiple E-series ground heaters and HSH380 hydronic surface heaters, including LP/NG, Diesel, and generator-equipped variants.
- Leak-Free System Pressure — A properly seated O-Ring maintains consistent fluid pressure throughout the heating circuit, which is critical for efficient heat transfer to frozen ground or concrete formwork.
- Fuel and Fluid Compatibility — Sourced as a genuine OEM component, the elastomer formulation is validated for the specific fluids used in Wacker Neuson hydronic heating systems.
An O-Ring is a circular elastomer seal installed in a machined groove between two mating surfaces or around a port, valve, or fitting. Its job is to form a pressure-tight barrier that prevents fluid — typically glycol-based heating fluid or fuel — from leaking past the joint. In hydronic surface and ground heaters, O-Rings are critical at connection points throughout the fluid circuit: when an O-Ring hardens, cracks, or takes a permanent set, the seal breaks down and fluid begins to bypass, causing pressure loss, reduced heat output, and potential damage to surrounding components. Replacing a worn O-Ring promptly with the correct part restores full system integrity and keeps the heater performing at its rated capacity.
Part Details
| Part Number | 5100024277 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | O-Ring |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| E1250S | E1250S | 5200012355, 5200012354 |
| E3000 Ground Heater, 3kW Gen, TC | E3000 | 5100017807, 5100017809, 5100017806, 5100017808, 5100017810, 5100017811, 5100025046, 5100017801 |
| HSH380s | HSH 380S | 5100054643 |
| E 1250P Hydronic Heater, Premium, Diesel | E1250P | 5200012357, 5200012356 |
| HSH380S-Diesel, with Generator | HSH380S | 5200012371, 5200012370 |
| HSH380B-Diesel, without generator | HSH380B | 5200012359 |
| E2200 GROUND HEATER, 3kW GENERATOR | E2200 | 5100017448, 5100017449 |
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.
