The Wacker Neuson Coupling is a genuine OEM component designed for the HSH hydronic surface heater and ground heater product families, including the E3000, E2200, E1250, E1100, HSH700G, HSH650, HSH380, HSH350, and associated pump pack configurations such as the DPP33, DPP8.8, and SPP4.4. As a factory-sourced part, the meets the original design specifications Wacker Neuson established for these heating systems, ensuring it integrates correctly without guesswork. This coupling is the right call when the original has worn, cracked, or begun to leak — keeping your fluid circuit sealed and your heating system performing as intended across a wide range of job conditions.
Key Features
- Genuine OEM Construction: — Manufactured to Wacker Neuson's original material and dimensional specifications for fluid-circuit couplings, ensuring correct sealing performance and pressure handling within the hydronic loop.
- Direct Drop-In Installation: — Engineered to connect and seat exactly as the original, matching the port geometry and connection interface of the heater's fluid circuit without modification.
- Broad Fitment Across HSH and Ground Heater Families: — Compatible with a wide range of Wacker Neuson hydronic surface heaters and ground heaters, including E3000, E3000ES, E2200, E1250 (B/S/P), E1100, E700M, HSH700G, HSH650, HSH380 (B/S), HSH350, S3000, and pump pack units DPP33, DPP8.8, and SPP4.4.
- Leak-Free Fluid Circuit Integrity: — A correctly seated coupling maintains closed-loop pressure in the hydronic system; a degraded or failed coupling can cause fluid loss, heat output drop, and potential system shutdown on the job.
- Fuel and Configuration Versatile: — Fits models running on diesel, natural gas, and LP/NG fuel configurations, as well as units with and without integrated generators and lift bails, making this a single-SKU solution across many machine variants.
A coupling in a hydronic heating system connects sections of the fluid loop, allowing heated glycol or water to circulate from the heat exchanger through the hose network and back. It must maintain a secure, pressure-rated seal to prevent fluid loss and ensure consistent heat delivery to the work surface. When a coupling cracks, loosens, or deteriorates, the system can lose pressure, reducing heating efficiency or triggering a fault shutdown — making timely replacement essential to keeping a ground thawing or surface heating operation running through cold-weather work.
Part Details
| Part Number | 5000168111 |
|---|---|
| Old Part Number | 0168111 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Coupling |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| E3000 Hydronic Surface Heater with generator | E3000 | 5000620219, 5000620679, 5000620158, 5000620678, 5200014677, 5200004952, 5100017807, 5100017809, 5200014678, 5200014679, 5200014720, 5100017806, 5100017808, 5200014721, 5100017810, 5100017811, 5100025046, 5100055568, 5100056441, 5100017801, 5100056440, 5100025045 |
| HSH700 | HSH700G | 5000620243 |
| E2200 GROUND HEATER, W/ LIFT BAIL | E2200 | 5000620215, 5000620176, 5000620216, 5000620226, 5100017448, 5100017449 |
| Hydronic Surface Heater | HSH350 | 5000620254, 5200001677 |
| DPP33 Dual Pump Pack | DPP33 | 5000620429 |
| SPP4.4 Single Pump Pack | SPP4.4 | 5000620427 |
| DPP8.8 Dual Pump Pack | DPP8.8 | 5000620428 |
| E1250S | E1250S | 5200012355, 5200012354 |
| E1100 GROUND HEATER | E1100 | 5000620172, 5000620244, 5200001676 |
| E3000 ES Hydronic Surface Heater | E3000ES | 5000620968, 5000620967 |
| Hydronic Surface Heater w/ Gen erator, 3000 ft hose | S3000 | 5000620218, 5000620182 |
| E12540B | E1250B | 5200012353, 5200007613 |
| HSH650 | HSH650 | 5000620991 |
| 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 |
| Hydronic Surface Heater, 700m hose | E700M | 5000620195 |
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.
