The Wacker Neuson Lock Plug G 1/2 Inch is a genuine OEM component designed for the TH627 hydronic surface heater. Sourced directly from Wacker Neuson, this lock plug is produced to the exact specifications required for the TH627 platform, ensuring a proper, leak-free seal within the system. If you are servicing or maintaining a TH627 unit, confirming part number against your parts list is the surest way to get the right plug the first time.
Key Features
- Genuine OEM Sealing Integrity — Manufactured to exact thread and material specifications for a G 1/2 inch port, ensuring a pressure-rated, leak-free closure critical in a hydronic heating circuit.
- Direct Port Match — Threaded to G 1/2 inch BSP specification, this plug seats directly into the designated port on the TH627 without reworking or adapting the fitting.
- TH627 Verified Fitment — Confirmed fitment for the Wacker Neuson TH627 hydronic surface heater series; always cross-reference part number 1000030660 with your machine's parts list before ordering.
- System Pressure Protection — A properly seated lock plug keeps the hydronic loop sealed under operating pressure, preventing fluid loss that would compromise heating output and surface curing performance.
- Fuel and Fluid System Safety — In a pressurized hydronic circuit, a failed or missing plug creates a fluid leak risk; using the correct OEM-spec plug maintains safe operating conditions for the crew and equipment.
A lock plug seals an unused or service port in a pressurized fluid circuit. On the TH627 hydronic surface heater, the heating fluid is circulated under pressure through hoses and manifolds to warm concrete forms, slabs, or ground surfaces during cold-weather curing. The G 1/2 inch lock plug closes off a threaded port in that circuit, preventing coolant or heating fluid from escaping. When a lock plug is missing, cracked, or improperly seated, the system loses pressure and fluid, causing the heater to underperform or shut down entirely — and creating a fluid spill hazard on the worksite.
Part Details
| Part Number | 1000030660 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Lock Plug G 1/2 Inch |
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.
