The Wacker Neuson Plug is a genuine OEM component designed for the TH627 hydronic surface heater. Sourced directly through Wacker Neuson's authorized parts program, this plug is manufactured to the exact specifications required for proper sealing and system integrity on the TH627. Verified against spare parts list 418-02, this is the correct plug for that application — no guesswork required.
Key Features
- Genuine OEM Sealing Integrity — Manufactured to the precise thread form, material grade, and torque rating required for a leak-free seal in the TH627 system.
- Direct-Fit Replacement — Matches the original port dimensions exactly, threading in cleanly without the need for modification or additional hardware.
- Verified TH627 Fitment — Confirmed against Wacker Neuson spare parts list 418-02 for the TH627 hydronic surface heater, so you can order with confidence.
- System Pressure Retention — A failed or missing plug can allow fluid loss or pressure drop in the heater circuit; this OEM replacement restores correct system containment.
- Fuel and Fluid System Safety — Plugs used in hydronic heating systems must maintain a proper seal under thermal cycling; using the correct OEM-rated plug prevents leaks that could pose a fire or burn hazard.
A plug in a hydronic surface heater serves as a sealed closure for an unused or service port within the fluid circuit. It prevents coolant or heat-transfer fluid from escaping, maintaining the system pressure needed for efficient heat delivery across the surface being cured or warmed. When a plug fails — through thread damage, cracking, or improper fit — fluid loss and pressure drop can quickly degrade heater performance or cause the unit to shut down entirely.
Part Details
| Part Number | 1000379908 |
|---|---|
| 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.