The Wacker Neuson Insulator is a genuine OEM component designed for the E1250 and HSH380 series hydronic surface heaters. As a direct OEM replacement, this insulator is sourced and manufactured to the same standards as the original part, ensuring a correct fit within the heating assembly. It is compatible across multiple E1250 and HSH380 configurations, including Standard, Basic, and Premium variants running on diesel, LP, or natural gas fuel sources. Whether you're servicing an E1250S, E1250B, E1250P, HSH380S, or HSH380B unit, part number is the verified replacement for this position.
Key Features
- Genuine OEM Thermal Integrity — Manufactured to the same material and dimensional specification as the original, maintaining correct thermal isolation within the heater assembly.
- Drop-In Replacement — Mounts directly into the same position as the factory part across all compatible E1250 and HSH380 heater configurations.
- Broad Series Compatibility — Fits E1250S, E1250B, and E1250P models as well as HSH380S and HSH380B units across diesel, LP, and natural gas fuel variants.
- Protects Heat Transfer Performance — A correctly functioning insulator keeps thermal energy directed where it belongs; a degraded insulator can cause heat loss and uneven surface warming.
- Electrical Safety Compliance — In heating systems, correct insulation is critical to safe operation; using the verified OEM part ensures the component meets the original safety specification for the unit.
An insulator in a hydronic surface heater serves as a thermal and/or electrical barrier between heat-generating components and the surrounding structure of the unit. It prevents unwanted heat transfer or electrical conductivity that could compromise system efficiency or create a safety hazard. When an insulator cracks, degrades, or loses its barrier properties, the heater may operate inefficiently, generate uneven surface heat output, or — in the case of electrical insulators — present a risk of short circuit or component damage.
Part Details
| Part Number | 5200008749 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Insulator |
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.
