The Wacker Neuson Coupling is a genuine OEM component designed for HSH350 hydronic surface heaters, E1100 ground heaters, and CH5000 cross heaters. As a direct Wacker Neuson OEM part, it is manufactured to the exact specifications required by these heating systems, ensuring a correct, trouble-free installation. This coupling is confirmed to fit multiple configurations across the HSH350 and E1100 series, including generator-equipped and 50Hz variants, as well as CH5000 units running oil burner setups.
Key Features
- Genuine OEM Construction — Manufactured to Wacker Neuson's exact dimensional and material tolerances for fluid-system couplings, ensuring proper sealing and secure connection in pressurized hydronic circuits.
- Direct Drop-In Replacement — Engineered to match the original coupling interface, allowing straightforward installation without modification to existing hose or fitting connections.
- Broad HSH/E1100/CH5000 Fitment — Compatible with HSH350 hydronic surface heaters, E1100 ground heaters (including generator and 1,100 ft hose configurations), and CH5000 cross heaters with oil burner or generator setups.
- Maintains Fluid Circuit Integrity — A correctly functioning coupling keeps heated fluid flowing through the system at the right pressure; a cracked or worn coupling can cause fluid loss, reduced heating output, or complete system shutdown.
- Safety-Critical Fluid Connection — In hydronic heating systems, a failed coupling can result in hot fluid leaks that pose burn hazards and create unsafe working conditions on cold-weather jobsites; using a genuine OEM part maintains the integrity of this connection.
The coupling serves as a fluid connection point within the hydronic heating circuit, linking hose runs, manifolds, or heat exchanger ports so that heated fluid can circulate continuously through the system. When the coupling is in good condition, it holds a leak-free seal under the operating pressures and temperatures of the hydronic loop. If the coupling cracks, corrodes, or fails to seat properly, fluid escapes the circuit, pressure drops, and the heater can no longer deliver consistent heat output — which is especially critical during cold-weather concrete curing or ground thawing operations.
Part Details
| Part Number | 5000168631 |
|---|---|
| Old Part Number | 0168631 |
| 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 |
| Cross Heater with oil burner | CH5000 | 5000620240, 5000620242 |
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.