The Wacker Neuson Seal Ring is a genuine OEM component designed for the HSH700G, HP252, E2200, HSH650, and E700M hydronic surface heaters. Sourced directly from Wacker Neuson, this seal ring matches the exact material grade and dimensional tolerances of the original part. It installs as a direct replacement, ensuring a proper fluid-tight connection within the hydronic circuit across all compatible HSH and E-series models.
Key Features
- OEM-Grade Sealing Material — Manufactured to the same material specification as the original, ensuring correct compression and fluid compatibility within the hydronic heating circuit.
- Drop-In Replacement — Matches the original seal ring profile exactly, seating correctly in the same position without rework or adaptation to the connection point.
- Broad HSH and E-Series Fitment — Confirmed for the HSH700G, HSH650, HP252, E2200 Ground Heater with Lift Bail, and E700M Hydronic Surface Heater with 700m hose.
- Prevents Fluid Loss — A correctly seated seal ring maintains system pressure and prevents coolant or heat-transfer fluid from weeping at joints, keeping the heater operating at full output.
- Fluid System Safety — A degraded or failed seal ring in a pressurized hydronic system can result in fluid leaks near heated components; replacing it promptly with the correct OEM part maintains safe system integrity.
A seal ring in a hydronic surface heater forms a fluid-tight barrier at pipe joints, fittings, or connection points within the closed-loop heating circuit. It prevents heat-transfer fluid from escaping under operating pressure, which is critical for maintaining consistent heat delivery across the surface or hose assembly. When a seal ring degrades — through heat cycling, compression set, or chemical wear — it allows fluid to leak, which drops system pressure, reduces heating efficiency, and can cause further damage to surrounding components if left unaddressed.
Part Details
| Part Number | 5000166810 |
|---|---|
| Old Part Number | 0166810 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Seal Ring |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| HSH700 | HSH700G | 5000620243 |
| HP252 | HP252 | 5000620249 |
| E2200 GROUND HEATER, W/ LIFT BAIL | E2200 | 5000620215 |
| HSH650 | HSH650 | 5000620991 |
| Hydronic Surface Heater, 700m hose | E700M | 5000620195 |
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.
