The Wacker Neuson is a genuine OEM Nipple Fitting designed for HSH-series hydronic surface heaters and E-series ground heaters, including the HSH700G, HSH650, HSH350, E5000, E1100, HP252, and Pureheat models. As a direct factory replacement, this part carries the same material specification and dimensional tolerances as the original, ensuring a leak-free connection in the fluid circuit where it was engineered to perform. Correct fitment is critical in hydronic heating systems, and sourcing the genuine Wacker Neuson eliminates the guesswork of third-party substitutions. Keep this fitting on hand as a service spare to maintain uninterrupted heating performance on ground-thawing and concrete-curing applications.
Key Features
- OEM-Spec Fluid Seal Integrity — Manufactured to the exact thread form, diameter, and material grade of the original, maintaining a pressure-tight seal in the hydronic fluid circuit.
- Drop-In Thread Compatibility — Threads directly into the existing port without re-tapping or adapter use, matching the original connection point on the heater manifold or plumbing assembly.
- Broad HSH and E-Series Fitment — Confirmed for HSH700G, HSH650, HSH350, E5000, E1100, HP252, and Pureheat hydronic heater models, covering the core Wacker Neuson ground and surface heating lineup.
- Leak Prevention in Cold-Weather Operations — A worn or cross-threaded nipple fitting can cause fluid loss, pressure drop, and heater shutdown; replacing with the correct OEM part restores system integrity immediately.
- Fuel and Fluid System Safety — On hydronic heaters circulating hot fluid under pressure, a properly rated fitting is essential to prevent uncontrolled fluid release and associated burn or fire hazards.
A nipple fitting is a short threaded connector used to join two sections of pipe or hose within the hydronic fluid circuit of a surface heater. In a hydronic heating system, heated fluid is pumped continuously through hoses and blankets to thaw frozen ground or cure concrete, and every connection point in that loop must hold pressure without leaking. When a nipple fitting corrodes, cracks, or strips its threads, fluid escapes the circuit, pressure drops, and the heater can shut down or run inefficiently — stalling time-sensitive cold-weather work. Replacing the 5000168073 with a genuine Wacker Neuson part restores the sealed circuit and keeps the heating system operating at its intended output.
Part Details
| Part Number | 5000168073 |
|---|---|
| Old Part Number | 0168073 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Nipple Fitting |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| HSH700 | HSH700G | 5000620243 |
| E5000 GROUND HEATER, W/GAS BURNER | E5000 | 5000620898, 5000620897, 5000620899 |
| Hydronic Surface Heater | HSH350 | 5000620254, 5200001677 |
| HP252 | HP252 | 5000620249 |
| Pureheat Hydronic Heater, Oil Burner | Pureheat | 5000620245, 5000620246, 5000620190, 5000620220 |
| E1100 GROUND HEATER | E1100 | 5000620172, 5000620244, 5200001676 |
| HSH650 | HSH650 | 5000620991 |
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.
