The Wacker Neuson Needle is a genuine OEM component designed for the TH627 hydronic surface heater. Sourced directly from Wacker Neuson, this part meets the original engineering specifications for the TH627, ensuring it installs correctly and performs as intended. If your heater is experiencing fuel delivery or flow control issues, replacing a worn needle with the correct OEM part is a straightforward step toward restoring full operation.
Key Features
- Genuine OEM Precision: — Manufactured to the exact dimensional tolerances required for proper fuel metering and flow control — no guesswork on fit or function.
- Direct Drop-In Replacement: — Matches the original needle profile and seating geometry of the TH627, allowing for a clean, straightforward installation.
- Confirmed TH627 Fitment: — Verified for the TH627 hydronic surface heater (418-02), so you can order with confidence knowing this is the correct part for your machine.
- Maintains Consistent Flow Control: — A correctly functioning needle ensures accurate regulation of fluid or fuel flow within the heater system, supporting steady, efficient heat output.
- Fuel System Integrity: — A worn or damaged needle can compromise metering accuracy and lead to unreliable combustion or heat output; replacing it promptly keeps the heater operating safely and predictably.
The needle is a precision flow-control component found within the fuel or fluid metering system of the TH627 hydronic surface heater. It works in conjunction with a seat or valve body to regulate the volume and rate of flow passing through the system — small dimensional changes caused by wear can have an outsized effect on combustion performance and heat output consistency. When the needle becomes worn, corroded, or damaged, the heater may run unevenly, fail to maintain target temperatures, or exhibit erratic ignition behavior, making timely replacement an important part of routine heater maintenance.
Part Details
| Part Number | 1000411716 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Needle |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| SPARE PARTS LIST 418-02 / TH627 | TH627 (418-02) | 1000362623 |
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.
