The Wacker Neuson O-Ring is a genuine OEM sealing component designed for the E1250S and E1250P Hydronic Heaters, E2200 and E3000 Ground Heaters, and HSH380S and HSH380B Hydronic Surface Heaters. As a direct Wacker Neuson OEM part, the is produced to the exact material grade and dimensional tolerances of the original component, ensuring a consistent seal across all covered configurations — including LP/NG, diesel, and generator-equipped variants. This O-Ring is a high-turnover service item that should be inspected and replaced during routine maintenance or any time fluid or pressure loss is detected in the system.
Key Features
- OEM Sealing Integrity — Manufactured to Wacker Neuson's exact compound and dimensional specification, ensuring the correct compression set and chemical resistance for hydronic heating system fluids.
- Drop-In Service Replacement — Seats directly into the original groove geometry with no modification to fittings, ports, or adjacent components required.
- Broad Heater Family Coverage — Compatible with E1250S, E1250P, E2200, E3000, HSH380S, and HSH380B models across LP/NG, diesel, and generator-equipped configurations.
- Prevents Fluid and Pressure Loss — A failed or worn O-Ring allows coolant or fluid bypass, degrading heat output and potentially causing system shutdowns in ground-thawing or concrete curing operations.
- Fluid System Safety — A correctly seated O-Ring maintains closed-loop pressure integrity, reducing the risk of unintended fluid release in and around the heating circuit.
An O-Ring is a circular elastomeric seal that sits in a machined groove between two mating surfaces or around a port, preventing fluid or gas from bypassing the joint under pressure. In hydronic heaters and ground heaters like the E1250, E2200, E3000, and HSH380 series, O-Rings are critical to maintaining a leak-free closed-loop heating circuit — allowing the system to build and hold the pressure needed to circulate heated fluid efficiently. When an O-Ring hardens, cracks, or loses its compression set, fluid can escape past the seal, causing pressure drop, reduced heating performance, and potential damage to surrounding components.
Part Details
| Part Number | 1000324700 |
|---|---|
| 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 W/LIFT BAIL | E2200 | 5100017449, 5100017448 |
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.
