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 is manufactured to the exact material composition and dimensional tolerances specified for this application. Fitment is confirmed for the TH627 (418-02) — verify your parts list reference before ordering to ensure compatibility with your specific unit configuration.
Key Features
- OEM-Grade Seal Material — Manufactured to Wacker Neuson's specified compound and durometer rating, ensuring the correct compression and chemical resistance for hydronic system fluids.
- Drop-In Replacement — Dimensionally identical to the original, seating into the same groove or port without modification to mating surfaces or hardware.
- Confirmed Fitment for TH627 — Validated against the TH627 (418-02) parts list, giving you confidence that this is the correct seal for your machine.
- Leak Prevention — A properly seated O-Ring maintains a fluid-tight seal within the hydronic circuit; a worn, cracked, or swollen O-Ring leads to fluid weepage, pressure loss, and reduced heating output.
- Fuel and Fluid System Safety — In hydronic and fuel-circuit applications, a compromised O-Ring can introduce hazardous leaks; using the correct OEM-spec seal supports safe, code-compliant operation of the heater.
An O-Ring is a circular elastomeric seal used throughout hydronic heater systems to prevent fluid from escaping at joints, ports, fittings, and component interfaces. In a hydronic surface heater like the TH627, O-Rings are found wherever pressurized fluid connections are made — including pump housings, valve bodies, and manifold assemblies. When an O-Ring degrades due to heat cycling, chemical exposure, or age, it loses its ability to hold a seal, leading to fluid leaks, pressure drop, and eventual loss of heating performance.
Part Details
| Part Number | 1000087360 |
|---|---|
| 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.
