The Wacker Neuson is a genuine OEM Seal Kit designed for the HSH and E-series hydronic surface heaters and ground heaters, including the E1250S, E1250P, E2200, E3000, HSH380S, and HSH380B. Sourced directly from Wacker Neuson, this seal kit carries the same material grades and dimensional tolerances as the original components installed at the factory. It delivers a direct-fit replacement across the full range of compatible E-series and HSH-series heating systems, covering both LP/NG and diesel fuel configurations. Verify your model number against the fitment list before ordering to confirm compatibility with your specific unit.
Key Features
- OEM-Grade Seal Materials — Seals are manufactured to the same compound specifications as the originals, ensuring correct compression, temperature resistance, and fluid compatibility for hydronic heating circuits.
- Drop-In Fitment — Engineered to the original dimensions and port geometry, this kit installs directly into compatible E-series and HSH-series heater assemblies without rework or adaptation.
- Broad HSH and E-Series Coverage — Confirmed fitment across E1250S, E1250P, E2200, E3000, HSH380S, and HSH380B models in diesel, LP, and natural gas variants.
- Stops Fluid Loss at the Source — Worn or degraded seals allow coolant or heating fluid to bypass circuit boundaries, causing pressure loss and compromising heat output. A fresh seal kit restores system integrity and consistent heating performance.
- Fluid System Safety — Properly seated seals prevent uncontrolled fluid leaks in pressurized hydronic circuits, an important compliance consideration on enclosed or heated-slab jobsites.
A seal kit contains the elastomeric seals, O-rings, and gaskets that maintain fluid-tight connections throughout a hydronic heating system's internal circuits and pump interfaces. These seals keep pressurized heating fluid contained as it circulates through hoses, valves, and heat-exchange components. When seals degrade — typically from heat cycling, chemical exposure, or age — they allow fluid to bypass or leak, causing a drop in system pressure, reduced heat transfer efficiency, and potential damage to surrounding components. Replacing the full seal kit during a service interval restores pressure integrity across every critical junction in the system.
Part Details
| Part Number | 1000279812 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Seal Kit |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| E1250S | E1250S | 5200012355, 5200012354 |
| E3000 Ground Heater, 3kW Gen, TC | E3000 | 5100017807, 5100017809, 5100017806, 5100017808, 5100017810, 5100025046, 5100017811, 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.