The Wacker Neuson Flat Washer is a genuine OEM component designed for the HSH350 Hydronic Surface Heater and E1100 Ground Heater series. As a direct OEM replacement, this flat washer is sourced to the original specification used in Wacker Neuson's hydronic and surface heating equipment. Fitment covers the HSH350 and E1100 model lines, including 50Hz variants, so you can order with confidence knowing it matches your machine's configuration. Stock this as part of your routine service inventory to keep your heating equipment running without delays.
Key Features
- Genuine OEM Material Consistency — Manufactured to the exact thickness, bore diameter, and material grade specified by Wacker Neuson, ensuring correct load distribution across fastened joints in heating equipment assemblies.
- Drop-In Replacement — Matches the original hole pattern and outer diameter so it seats correctly against mating hardware without rework or shimming.
- Broad HSH350 and E1100 Coverage — Compatible across HSH350 Hydronic Surface Heater and E1100 Ground Heater variants, including the 50Hz DG surface heater configuration.
- Fastener Joint Integrity — A correctly specified flat washer spreads clamping load evenly across the bearing surface; an undersized or worn washer can allow fasteners to loosen under vibration and thermal cycling common in heating applications.
- Fuel and Heat System Compliance — Using the correct OEM washer in fuel line and burner assembly connections maintains the sealing integrity required for safe heater operation.
A flat washer acts as a load-distribution interface between a fastener — bolt head or nut — and the surface it clamps against. By spreading clamping force over a wider area, it prevents fastener heads from pulling through softer materials and protects mating surfaces from damage. In hydronic surface heaters and ground heaters like the HSH350 and E1100, washers appear throughout the burner assembly, fuel system connections, and structural mounting points where thermal expansion and vibration cycles place repeated stress on fastened joints. When a washer deforms, corrodes, or is the wrong size, clamp load becomes uneven, fasteners work loose, and sealed connections can leak — making correct washer specification an important detail during any service or repair.
Part Details
| Part Number | 5100027013 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Flat Washer |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Hydronic Surface Heater | HSH350 | 5000620254, 5200001677 |
| E1100 GROUND HEATER | E1100 | 5000620172, 5200001676 |
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.
