The Wacker Neuson Plug is a genuine OEM component designed for a broad range of Wacker Neuson hydronic surface heaters and indirect-fired air heaters, including the E3000, E2200, E1100, E1250, HSH350, HSH380, HSH650, HSH700, HI750, HI900, and HI260 series. As a direct OEM replacement, this plug is manufactured to the exact specification required by Wacker Neuson, ensuring a correct, trouble-free installation. It covers an extensive fitment range across both ground heater and hydronic surface heater configurations, including generator-equipped, lift bail, skid-mounted, and surge brake variants. Keep this part on hand to minimize service interruptions during critical cold-weather heating operations.
Key Features
- Genuine OEM Sealing Integrity — Manufactured to Wacker Neuson's exact material and dimensional spec, ensuring a leak-free, pressure-rated seal appropriate for hydronic and indirect-fired heating circuits.
- Drop-In Installation — Matches the original port thread form and size on all listed models, so it threads directly into place without rework or adaptation.
- Broad Heater Family Coverage — Fits E-series ground and hydronic surface heaters (E1100, E2200, E3000, E1250), HSH-series hydronic heaters (HSH350, HSH380, HSH650, HSH700), and HI-series indirect-fired air heaters (HI260, HI750, HI900) in a wide range of configurations.
- Fluid System Protection — A correctly seated plug maintains system pressure and prevents fluid loss or air ingestion in the heating circuit, keeping thermal output consistent across the full operating cycle.
- Fuel and Fluid Safety Compliance — In hydronic and indirect-fired heater applications, a failed or missing plug can result in fluid leaks near heat sources; replacing with the correct OEM plug maintains the integrity of the sealed system.
A plug in a hydronic surface heater or indirect-fired air heater serves as a sealed closure for ports, circuits, or access points within the fluid or fuel system. It maintains system pressure, prevents leaks, and keeps contaminants out of the heating circuit when a fitting, hose, or accessory is not in use. When a plug fails — through thread wear, cracking, or improper seating — the result can be fluid loss, pressure drop, or air entering the system, all of which reduce heating efficiency and can lead to more significant component damage if left unaddressed.
Part Details
| Part Number | 5000168235 |
|---|---|
| Old Part Number | 0168235 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Plug |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| E3000 Hydronic Surface Heater with generator | E3000 | 5000620219, 5000620679, 5000620158, 5000620678, 5200014677, 5200004952, 5200014679, 5100017806, 5100017808, 5100017810 |
| Hydronic Surface Heater | HSH350 | 5000620254, 5200001677 |
| HSH700 | HSH700G | 5000620243 |
| E2200 GROUND HEATER | E2200 | 5000620176, 5000620215, 5000620216, 5000620226 |
| E1100 GROUND HEATER | E1100 | 5000620172, 5200001676 |
| Hydronic Surface Heater w/ Gen erator, 3000 ft hose | S3000 | 5000620218, 5000620182 |
| E12540B | E1250B | 5200012353, 5200007613 |
| 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 |
| E 1250P Hydronic Heater, Premium, LP/NG | E1250P | 5200012356 |
| HSH 380S-Natural Gas/Propane, w/Generator | HSH380S | 5200012370, 5200012371 |
| HSH380B-Diesel, without generator | HSH380B | 5200012359, 5200007614 |
| Hydronic Surface Heater, 700m hose | E700M | 5000620195 |
| E3000 ES Ground Heater | E3000ES | 5000620967, 5000620968 |
| HSH650 | HSH650 | 5000620991 |
| 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.
