The Wacker Neuson Spool Disc is a genuine OEM component designed for the HP252 and Pureheat Hydronic Heater series, including oil burner, gas burner, and diesel configurations. As a direct OEM replacement, this part is manufactured to the same specifications as the original, ensuring it seats and functions exactly as intended within the heater assembly. Fitment covers the HP252 as well as the full range of Pureheat Hydronic Air Heaters running on oil, gas, and diesel fuel sources.
Key Features
- Genuine OEM Construction — Manufactured to the original dimensional and material tolerances required for correct spool function within the heater valve assembly — no substitutions or approximations.
- Direct Drop-In Replacement — Engineered to seat and align with existing heater components, allowing straightforward swap-out without reworking surrounding hardware.
- Broad Pureheat Series Fitment — Compatible with the HP252 and multiple Pureheat Hydronic Heater variants, including oil burner, gas burner, and diesel configurations, covering a wide range of jobsite heating setups.
- Maintains Proper Flow Control — A correctly functioning spool disc ensures consistent fluid regulation through the heater circuit; a worn or damaged disc can disrupt heat output and cause erratic heater performance.
- Fuel System Integrity — Because this disc operates within the heater's fluid or fuel circuit, using a genuine OEM part helps maintain the sealed, pressure-rated performance expected from the original system design.
The spool disc is a precision valve component that regulates the flow of fluid or fuel through the heater's internal circuit. It acts as a sealing and metering element within the spool valve body, controlling how much fluid passes through at a given point in the heating cycle. When the spool disc wears, warps, or becomes damaged, the heater may lose the ability to maintain consistent output temperatures, cycle properly, or hold pressure across the system — making timely replacement essential to keeping the unit operating as designed.
Part Details
| Part Number | 5000167148 |
|---|---|
| Old Part Number | 0167148 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Spool Disc |
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.
