The Wacker Neuson Nipple Fitting is a genuine OEM component designed for the E-series and HSH-series hydronic surface heaters and pump packs, including the E3000, E3000 ES, E2200, E1100, HSH350, HSH650, HSH700, S3000, E700M, DPP33, DPP8.8, and SPP4.4 models. As a direct OEM part sourced through authorized Wacker Neuson supply channels, the is manufactured to the exact dimensions and material specifications required for proper fluid system integrity. This fitting connects critical sections of the hydronic circuit, ensuring leak-free flow of heated fluid throughout the system. Confirm your machine number against the fitment list to ensure the is the correct fitting for your specific configuration.
Key Features
- Genuine OEM Thread and Dimensional Accuracy — Manufactured to exact bore diameter and thread specification, ensuring a proper seal in the hydronic circuit without risk of weeping or cross-threading.
- Direct Drop-In Replacement — Matches the original fitting in both thread form and connection geometry, allowing straightforward installation into existing fluid line ports.
- Broad HSH and E-Series Fitment — Compatible across E3000, E3000 ES, E2200, E1100, HSH350, HSH650, HSH700, S3000, E700M, and pump pack models DPP33, DPP8.8, and SPP4.4.
- Hydronic Circuit Integrity — A correctly seated nipple fitting maintains consistent fluid pressure and flow rate; a cracked or damaged fitting can cause fluid loss, pressure drop, and loss of heating output across the hose circuit.
- Fluid System Safety — In pressurized hydronic heating systems, a compromised fitting can result in fluid leaks near heated surfaces or electrical components; using the correct OEM fitting helps maintain safe operating conditions.
A nipple fitting is a short threaded connector used to join two sections of pipe, hose, or fluid-line components within a hydronic heating system. In Wacker Neuson ground heaters and hydronic surface heaters, these fittings form part of the closed-loop circuit that circulates heated fluid from the boiler unit through the hose network laid across the ground or substrate being heated. When a nipple fitting cracks, corrodes, or develops thread damage, it can cause fluid leaks that reduce system pressure, lower heating efficiency, and potentially expose surrounding components to moisture. Replacing a worn or damaged fitting promptly keeps the hydronic circuit sealed and the system operating at full heating capacity.
Part Details
| Part Number | 5000168353 |
|---|---|
| Old Part Number | 0168353 |
| 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, 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 |
| 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 |
| 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.
