The Wacker Neuson Gasket is a genuine OEM component designed for the E1250 and HSH380 series hydronic surface heaters. This OEM part is sourced directly through Wacker Neuson's authorized parts program, ensuring it meets the exact material and dimensional specifications of the original. It fits multiple configurations across the E1250S, E1250B, and E1250P heater variants, as well as the HSH380S and HSH380B models — covering diesel, natural gas, and propane-powered units alike. Whether you're servicing a standard, basic, or premium configuration, part number is the correct OEM replacement for this application.
Key Features
- OEM Material Integrity — Manufactured to the original compression and temperature-resistance specifications required for hydronic heating system sealing, so you're not guessing on material grade.
- Drop-In Fitment — Matches original mounting geometry and sealing surface dimensions for straightforward installation without rework or trimming.
- Broad Model Coverage — Fits E1250S, E1250B, and E1250P heaters in Standard, Basic, and Premium trim levels, plus HSH380S and HSH380B units across diesel, natural gas, and propane fuel variants.
- Leak-Free Sealing Performance — A properly seated gasket maintains system pressure and prevents fluid loss within the hydronic circuit; a failed or degraded gasket can cause heat output loss and fluid contamination.
- Fuel-System Safety Compliance — In a hydronic heater, maintaining an intact gasket seal is critical to preventing uncontrolled fluid leaks near combustion components — use only the correct OEM spec part for this application.
A gasket in a hydronic surface heater creates a pressure-tight, fluid-tight seal between mating components within the heating circuit. It prevents the heated fluid — whether water or glycol-based — from leaking past joints and connection points as it circulates through the system. When a gasket deteriorates, compresses unevenly, or fails, the result is fluid loss, reduced heating efficiency, and the potential for fluid to contact hot combustion surfaces — making timely replacement with the correct part essential to safe, effective operation.
Part Details
| Part Number | 5200010911 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Gasket |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| E1250S | E1250S | 5200012355, 5200012354 |
| E12540B | E1250B | 5200012353, 5200007613 |
| 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, 5200007614 |
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.
