The Wacker Neuson Coupling is a genuine OEM component designed for the E2200, E3000, E3000 ES, S3000, E700M, HSH650, and HSH700 series hydronic surface heaters and ground heaters. As a direct OEM replacement, part is manufactured to the same specifications as the original, ensuring a correct, trouble-free installation in your Wacker Neuson heating equipment. This coupling serves a critical role in the fluid circuit of these machines, making accurate fitment essential for safe and efficient operation. Whether you're servicing an E2200 Ground Heater, an E3000 Hydronic Surface Heater, or an HSH700 unit, the is the correct factory part for the job.
Key Features
- Genuine OEM Fluid-Tight Integrity — Manufactured to Wacker Neuson's original dimensional and material standards, ensuring the coupling maintains a leak-free connection in the pressurized hydronic circuit.
- Direct Drop-In Replacement — Matches the original coupling interface on E2200, E3000, E3000 ES, S3000, E700M, HSH650, and HSH700 models, connecting cleanly to existing fittings and hose assemblies without rework.
- Broad Series Compatibility — Fits an extensive range of Wacker Neuson hydronic surface heater and ground heater configurations, including lift bail, generator-equipped, and TC variants across the E2200 and E3000 families.
- Protects Heating System Efficiency — A sound coupling keeps heated fluid circulating through the system at the correct flow rate; a cracked or leaking coupling causes heat loss, pressure drop, and potential system shutdown on the jobsite.
- Fuel and Fluid System Safety — Couplings in hydronic heating systems carry hot fluid under pressure; using a verified OEM part rated to the original specification helps prevent leaks that could pose a burn or fire hazard.
A coupling in a hydronic heating system connects sections of the fluid circuit, allowing heated water or glycol solution to flow between the heater unit and the hoses or manifolds that distribute warmth across the ground or surface being heated. It must maintain a pressure-tight seal under thermal cycling — repeated heating and cooling will quickly expose any fitting that is undersized or made from substandard material. When a coupling fails or weeps fluid, the system loses pressure, heat output drops, and the heater may fault or shut down entirely, interrupting concrete curing, frost protection, or thaw operations.
Part Details
| Part Number | 5000168218 |
|---|---|
| Old Part Number | 0168218 |
| 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 |
| E3000 ES Hydronic Surface Heater | E3000ES | 5000620968, 5000620967 |
| Hydronic Surface Heater w/ Gen erator, 3000 ft hose | S3000 | 5000620218, 5000620182 |
| HSH650 | HSH650 | 5000620991 |
| 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.