The Wacker Neuson Check Valve is a genuine OEM component designed for the HP252 and Pureheat Hydronic Heater series, including oil burner, gas burner, and diesel-powered configurations. As a direct OEM replacement, this check valve is sourced and manufactured to the same specifications as the original part fitted at the factory, ensuring correct flow behavior within the hydronic heating circuit. This part covers a broad range of Pureheat models, making it a dependable stock item for contractors and service technicians running Wacker Neuson heating equipment on cold-weather jobsites.
Key Features
- OEM-Specified Flow Control: — Engineered to open and seat at the correct pressure differential, maintaining one-directional fluid flow through the hydronic circuit as originally designed.
- Direct-Fit Replacement: — Matches the original valve's port size, thread spec, and body profile for a straight swap into the existing plumbing without rework.
- Broad Pureheat Compatibility: — Fits the HP252 and multiple Pureheat Hydronic Heater variants, including oil burner, gas burner, and diesel models.
- Protects System Pressure Integrity: — A functioning check valve prevents backflow that can cause pressure loss, burner lock-out, or inefficient heat output; a worn or failed valve allows reverse flow that disrupts the entire heating loop.
- Fuel-System Safety Relevance: — In hydronic heater applications, a correctly seating check valve helps prevent uncontrolled fuel or heated fluid backflow, supporting safe and consistent burner operation.
A check valve is a one-way flow control component installed in the fluid circuit of a hydronic heater. It allows heated fluid or fuel to travel in only one direction through the system, automatically closing to block reverse flow when pressure drops or the burner cycles off. When a check valve fails — through wear, debris fouling, or a damaged seat — backflow can disrupt burner ignition, reduce heating efficiency, or cause pressure fluctuations that trigger safety shutdowns. Keeping this valve in good working condition is essential to consistent, uninterrupted heat output from your Pureheat or HP252 hydronic heating unit.
Part Details
| Part Number | 5000168588 |
|---|---|
| Old Part Number | 0168588 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Check Valve |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| HP252 | HP252 | 5000620249 |
| Pureheat Hydronic Heater, Oil Burner | Pureheat | 5000620245, 5000620246, 5000620190, 5000620220 |
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.