The Wacker Neuson O-Ring is a genuine OEM sealing component designed for the TH627 hydronic surface heater. Sourced directly from Wacker Neuson, this O-Ring meets the exact material and dimensional specifications required for a proper seal in the TH627 system. Verified against parts list 418-02, this is the correct replacement to restore sealing integrity and keep your heater operating as intended.
Key Features
- Genuine OEM Sealing Integrity — Manufactured to Wacker Neuson's precise compound and durometer specifications, ensuring the correct compression and fluid resistance for the TH627 hydronic circuit.
- Drop-In Replacement — Dimensionally identical to the original, this O-Ring seats directly into the existing groove without modification, restoring a leak-free connection immediately.
- Verified TH627 Fitment — Confirmed for the TH627 hydronic surface heater (parts list 418-02), so you can order with confidence.
- Leak Prevention — A correctly seated O-Ring maintains system pressure and prevents fluid loss; a degraded or missing O-Ring can cause coolant leaks, pressure drop, and reduced heating output across the surface warming circuit.
- Fluid System Safety — In a pressurized hydronic heating system, a failed O-Ring can lead to uncontrolled fluid release; using the correct OEM-spec seal is essential for safe, stable operation.
An O-Ring is a precision-molded loop of elastomer used to create a fluid-tight seal between two mating surfaces or fittings within a pressurized system. In the TH627 hydronic surface heater, O-Rings are used throughout the fluid circuit to prevent coolant from leaking at joints, fittings, and component interfaces — maintaining the system pressure needed to distribute heat evenly across the surface being warmed. When an O-Ring hardens, cracks, or takes a permanent set from heat cycling, it loses its ability to seal, leading to fluid loss, reduced heating efficiency, and potential damage to surrounding components.
Part Details
| Part Number | 1000090263 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | O-Ring |
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.
