The Wacker Neuson is a genuine OEM O-Ring designed for the TH627 hydronic surface heater. Sourced directly from Wacker Neuson, this O-Ring meets the exact material and dimensional specifications of the original part. As a genuine OEM component, it installs as a direct drop-in replacement with no reworking or adaptation needed. If you are servicing a TH627 and need to restore a proper seal, part number is the correct replacement to spec.
Key Features
- OEM-Grade Elastomer Material — Manufactured to the precise compound and durometer specification required to maintain a reliable seal under the temperature and pressure demands of hydronic surface heating systems.
- Direct Seating Fit — Dimensioned to seat correctly in the original groove or port without stretching, pinching, or trimming, ensuring a clean, leak-free installation from the start.
- Verified TH627 Fitment — Confirmed for the Wacker Neuson TH627 hydronic surface heater; cross-reference part number 1000020771 against your machine's parts list before ordering.
- Leak Prevention Where It Counts — A correctly seated O-Ring keeps fluid circuits sealed and pressure stable; a worn or damaged O-Ring can cause fluid leaks, pressure loss, and compromised heating output.
- Genuine Wacker Neuson Part — Supplied through the authorized Wacker Neuson parts network, so you receive the same component installed at the factory rather than an approximated substitute.
An O-Ring is a circular elastomeric seal used to close the gap between two mating surfaces or components in a fluid or pneumatic circuit. In a hydronic surface heater like the TH627, O-Rings prevent heated fluid from escaping at connection points, fittings, or internal ports, keeping the system pressurized and operating at full efficiency. When an O-Ring degrades — through heat cycling, chemical exposure, or mechanical wear — it loses its ability to form a complete seal, which can result in visible fluid leaks, pressure drop, and eventual damage to surrounding components if left unaddressed.
Part Details
| Part Number | 1000020771 |
|---|---|
| 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.
