The Wacker Neuson Nipple Fitting is a genuine OEM component designed for the E-series hydronic ground and surface heaters, HSH hydronic surface heaters, and HI indirect air heater lines. As a direct factory replacement, this fitting is manufactured to the exact dimensional and material tolerances required to maintain sealed, leak-free fluid or fuel line connections across the heating system. It is compatible with a wide range of models including the E2200, E3000, E3000ES, E5000, HSH350, HSH380, HSH650, HSH700, HI750, HI900, and HI260 series, among others. Sourcing the correct OEM part ensures the connection point performs as engineered and that system pressure integrity is maintained.
Key Features
- OEM-Matched Thread and Dimensional Tolerances — Manufactured to the exact thread spec and body dimensions of the original fitting, ensuring a metal-to-metal or thread-sealed connection without improvised adapters.
- Direct Swap Installation — Threads directly into the existing port on the heater assembly, matching the original fitting's connection interface with no reworking of the line or housing.
- Broad Cross-Family Fitment — Confirmed for E-series ground and surface heaters (E2200, E3000, E3000ES, E5000), HSH surface heaters (HSH350, HSH380, HSH650, HSH700), and HI indirect air heaters (HI260, HI750, HI900).
- Maintains System Pressure Integrity — A correctly seated nipple fitting prevents fluid or air leaks at the connection point, which is critical for consistent heat output and safe heater operation in cold-weather jobsite environments.
- Fuel and Fluid Line Safety — On diesel and gas-fired heater models, a failed or corroded fitting at a fuel or combustion-air line junction poses a direct fire and safety risk; using the correct OEM replacement eliminates improvised connections in these circuits.
A nipple fitting is a short threaded connector used to join two sections of pipe, hose, or line within a fluid or fuel circuit. In hydronic heaters and indirect air heaters, these fittings appear throughout the burner fuel supply, hydraulic fluid loops, and coolant distribution plumbing, where they must hold a consistent, leak-proof seal under operating pressure and temperature cycling. When a nipple fitting corrodes, cracks, or strips at the threads, the result is a fluid or fuel leak that can compromise heater output, trigger safety shutdowns, or — in fuel-side applications — create a fire hazard. Replacing it promptly with the correct OEM part restores the sealed circuit and keeps the heating system running safely at rated capacity.
Part Details
| Part Number | 5000168062 |
|---|---|
| Old Part Number | 0168062 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Nipple Fitting |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| E3000 Hydronic Surface Heater with generator | E3000 | 5000620219, 5000620679, 5000620158, 5000620678, 5200004952, 5100017806, 5100017808, 5100017810, 5100017801, 5100025045 |
| HI 770 XHD Indirect Air Heater, Diesel, 1x16 | HI770XHD | 5000620183 |
| HI 770 XHD Indirect Air Heater, Diesel, 2x12 | Arctic Bear XHD | 5000620676 |
| HSH700 | HSH700G | 5000620243 |
| E2200 GROUND HEATER, W/ LIFT BAIL | E2200 | 5000620215, 5000620176, 5000620216, 5000620226, 5100017448, 5100017449 |
| E5000 GROUND HEATER, W/GAS BURNER | E5000 | 5000620898, 5000620897, 5000620899 |
| Hydronic Surface Heater | HSH350 | 5000620254, 5200001677 |
| E3000 ES Hydronic Surface Heater | E3000ES | 5000620968, 5000620967 |
| Hydronic Surface Heater w/ Gen erator, 3000 ft hose | S3000 | 5000620218, 5000620182 |
| E12540B | E1250B | 5200012353 |
| HSH650 | HSH650 | 5000620991 |
| HI750 DGM HEATER-INDIRECT | HI750GM | 5000620859, 5000620930 |
| Mobile Indirect Fired Air Heat er, Diesel | HI750D | 5000620856, 5000620923, 5000620924 |
| HI 750GM HD-Mobile Indirect Ai r Heater-Surge, -40 | HI750GMHD | 5000620969 |
| HI750G HEATER-INDIRECT | HI750G | 5000620857 |
| Factory-Installed Options | Factory-Installed Options | 5200004152 |
| E 1250S Hydronic Heater, Standard, LP/NG | E1250S | 5200012354, 5200012355 |
| HSH 380S-Natural Gas/Propane, w/Generator | HSH380S | 5200012370, 5200012371 |
| HSH380B-Diesel, without generator | HSH380B | 5200012359 |
| Hydronic Surface Heater, 700m hose | E700M | 5000620195 |
| Cross Heater with oil burner | CH5000 | 5000620240, 5000620242 |
| HI900 Heater-DGM,Srg,-40 | HI900DGM | 5200014221, 5200014222, 5200014165, 5200014166 |
| HI 900D Heater-Indirect | HI900D | 5200014158, 5200014159, 5200014160 |
| HI260 HEATER,OIL WITH TANK | HI260 | 5200018503 |
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.
