The Wacker Neuson Plug is a genuine OEM component designed for the TH627 hydronic surface heater. As a factory-original part, it is manufactured to the same specifications as the component installed at the time of production, ensuring a correct fit within the TH627 system. Whether you are performing scheduled maintenance or replacing a damaged plug, the is the exact part called out in the TH627 spare parts list.
Key Features
- Genuine OEM Sealing Integrity — Manufactured to Wacker Neuson's original material and thread specifications, ensuring the plug seats and seals correctly without leaks in a pressurized hydronic circuit.
- Direct Drop-In Replacement — Matches the original port size and thread pattern on the TH627, allowing straightforward installation without rework or adaptation.
- Confirmed TH627 Fitment — Sourced directly from the official TH627 (418-02) spare parts list, so you can order with confidence that this is the correct plug for your machine.
- System Pressure Retention — A correctly seated plug maintains the closed integrity of the hydronic loop; a missing, cracked, or cross-threaded plug can cause fluid loss and prevent the heater from reaching operating temperature.
- Fuel and Fluid System Safety — On hydronic heaters, plugs that seal fluid or fuel passages must hold under heat and pressure cycling; using the OEM-spec part ensures the plug is rated for the operating conditions of the TH627.
A plug in a hydronic surface heater serves as a threaded closure for ports within the fluid circuit — sealing off access points, drainage ports, or unused fittings in the heating loop. In a system like the TH627, which circulates heated fluid to warm concrete slabs or cold-weather work surfaces, every sealed point in the circuit must hold pressure across repeated heat cycles. When a plug fails — through corrosion, thread damage, or improper installation — it can cause fluid loss, pressure drop, and loss of heating output, interrupting cold-weather concrete curing or ground thawing operations.
Part Details
| Part Number | 1000411691 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Plug |
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.
