The Wacker Neuson Gasket is a genuine OEM seal component designed for E1250B and HSH380B series hydronic surface heaters. As a direct factory replacement, this gasket restores proper sealing integrity across the heating system connections it serves, ensuring the unit operates at the pressure and temperature tolerances it was built for. It is confirmed compatible with both the E1250B LP/NG and HSH380B Diesel and Natural Gas/Propane configurations.
Key Features
- Genuine OEM Material Spec — Manufactured to Wacker Neuson's original material and dimensional tolerances, so the gasket compresses and seals exactly as the heating system was engineered to expect.
- Drop-In Sealing Fit — Matches the original mating surfaces exactly, allowing the gasket to seat without trimming, shimming, or additional sealant during installation.
- Broad HSH and E-Series Compatibility — Fits E1250B LP/NG and HSH380B Diesel and Natural Gas/Propane hydronic surface heater variants, covering multiple fuel configurations in one part number.
- Protects System Pressure Integrity — A sound gasket keeps heated fluid circuits sealed and prevents pressure loss that would reduce heating output and leave slabs or ground thaw work unfinished.
- Fuel-System Sealing Safety — In gas-fired configurations, a compromised gasket can allow fuel or combustion gases to escape. Replacing with a genuine OEM gasket maintains the sealed boundary the system relies on for safe operation.
A gasket forms a compressed, leak-proof seal between two mating surfaces — in a hydronic surface heater, that means keeping heated fluid, combustion gases, or both contained within the circuit where they belong. When a gasket degrades, cracks, or is damaged during service, it allows fluid or pressure to escape, which can reduce heating efficiency, cause hot spots, or create unsafe operating conditions. Replacing a worn gasket promptly restores the sealed system and allows the heater to deliver consistent, controlled heat output to the surface being treated.
Part Details
| Part Number | 5200019658 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Gasket |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| E12540B | E1250B | 5200012353, 5200007613 |
| 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.
