The Wacker Neuson Coupling is a genuine OEM component designed for the HSH350 and E1100 series hydronic surface heaters. Sourced directly from Wacker Neuson, this coupling delivers the exact fit and material spec required to maintain a secure, leak-free connection within the heating circuit. It is compatible across multiple HSH350 and E1100 configurations, including ground heater and generator-equipped variants. When it comes to fluid-handling connections in a hydronic heating system, using the correct OEM part is the straightforward choice for long-term performance.
Key Features
- Genuine OEM Fluid-Tight Integrity — Manufactured to Wacker Neuson's exact material and dimensional spec, ensuring the coupling seats and seals correctly within the hydronic circuit without leaks or pressure loss.
- Direct-Connect Replacement — Matches the original connection interface on HSH350 and E1100 heaters, dropping in without modification to hose or manifold fittings.
- Broad HSH350 and E1100 Coverage — Fits HSH350 hydronic surface heaters and the full E1100 family, including the E1100 Ground Heater and E1100 generator-equipped configurations with 1,100 ft hose.
- Heating Circuit Continuity — A failed or cracked coupling disrupts fluid flow through the heating loop, causing uneven or lost surface heat. Replacing with the correct OEM part restores full system output.
- Fuel and Fluid System Safety Relevance — Couplings in pressurized hydronic circuits are critical points; a compromised coupling risks fluid discharge and system shutdown on the jobsite.
A coupling in a hydronic surface heater connects sections of the fluid circuit, allowing heated glycol or water to flow continuously between the heater unit and the surface-heating hose network laid across the ground or slab. It must hold a pressure-tight seal under the thermal cycling and mechanical stress typical of construction heating applications. When a coupling cracks, corrodes, or fails to seal, the system loses pressure, fluid escapes, and the surface heating output drops — halting concrete curing or freeze protection operations until the fitting is replaced.
Part Details
| Part Number | 5000168630 |
|---|---|
| Old Part Number | 0168630 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Coupling |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Hydronic Surface Heater | HSH350 | 5000620254, 5200001677 |
| E1100 GROUND HEATER | E1100 | 5000620172, 5000620244, 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.