The Wacker Neuson Check Valve is a genuine OEM component designed for the E-Series and HSH-Series hydronic surface heaters, ground heaters, and pump packs — including the E3000, E2200, E1250, E1100, HSH700, HSH650, HSH380, and HSH350 series, as well as the DPP and SPP pump pack configurations. As a factory-sourced part, the meets the same specifications as the original component installed at the time of manufacture. Confirmed fitment spans a broad range of Wacker Neuson hydronic heating equipment, making this the correct replacement for operators and service technicians working across multiple units in the product family.
Key Features
- Genuine OEM Flow Control: — Factory-sourced valve seat and seal geometry ensures correct one-directional flow performance within the hydronic circuit, preventing backflow that could disrupt heating efficiency or damage system components.
- Direct Drop-In Replacement: — Engineered to match the original port sizing and connection interface of the hydronic plumbing circuit, allowing straightforward installation without rework to surrounding fittings or hose connections.
- Broad HSH and E-Series Compatibility: — Verified for use across E3000, E2200, E1250, E1100, HSH700, HSH650, HSH380, HSH350, SPP4.4, DPP33, and DPP8.8 configurations — one part number covering a wide fleet of Wacker Neuson hydronic heating equipment.
- Maintains Hydronic Circuit Integrity: — A correctly functioning check valve keeps fluid flowing in the intended direction, sustaining consistent heat output and protecting the pump from pressure reversal under shutdown or load-change conditions.
- System Safety Under Pressure: — In hydronic heating systems, a failed or worn check valve can allow backflow that causes pressure imbalances or pump cavitation. Using the correct OEM-spec replacement supports safe, stable system operation across freeze-protection and ground-thawing applications.
A check valve is a one-way flow control component within the hydronic fluid circuit of a surface heater or ground heater system. Its job is to allow heated fluid to travel in one direction through the loop while physically blocking any reverse flow — protecting the pump from backpressure and keeping the heat distribution consistent across the hose layout. When a check valve wears out or fails, fluid can flow backward through the circuit, causing the pump to work against itself, reducing heat output, or creating pressure spikes that stress other plumbing components. In a freeze-protection or ground-thawing application where uptime is critical, a faulty check valve can compromise the entire heating operation.
Part Details
| Part Number | 5000168351 |
|---|---|
| Old Part Number | 0168351 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Check Valve |
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 |
| E1250S | E1250S | 5200012355, 5200012354 |
| 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 |
| E12540B | E1250B | 5200012353, 5200007613 |
| HSH650 | HSH650 | 5000620991 |
| HSH380s | HSH 380S | 5100054643 |
| E 1250P Hydronic Heater, Premium, Diesel | E1250P | 5200012357, 5200012356 |
| HSH380S-Diesel, with Generator | HSH380S | 5200012371, 5200012370 |
| HSH380B-Diesel, without generator | HSH380B | 5200012359, 5200007614 |
| 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.