The Wacker Neuson Seal is a genuine OEM component designed for the HSH700 and HSH650 hydronic surface heaters. Sourced directly from Wacker Neuson, this OEM seal ensures a verified fit and maintains the fluid integrity critical to proper hydronic heating operation. It is a direct replacement for the original seal on these models, confirmed for both the HSH700 and HSH650 series.
Key Features
- OEM-Grade Material Integrity — Manufactured to Wacker Neuson's original compound and dimensional specifications, ensuring proper compression and fluid-tight sealing under hydronic system operating pressures and temperatures.
- Drop-In Replacement — Matches the original seat geometry and profile of the HSH700 and HSH650 hydronic surface heater systems, seating correctly without rework or adaptation during installation.
- Confirmed Fitment — Verified for the HSH700 and HSH650 hydronic surface heaters, so you can order with confidence using Wacker Neuson part number 5000176591.
- Preserves System Pressure and Flow — A fully functional seal keeps the hydronic fluid circuit closed and pressurized; a worn or compromised seal can lead to fluid loss, reduced heat output, and potential system shutdown on the job.
- Genuine OEM Assurance — Supplied as a genuine Wacker Neuson part, meaning the material grade, thickness, and hardness are matched to the demands of hydronic surface heating equipment — not a generic substitute.
In a hydronic surface heater, seals maintain the closed-loop fluid circuit that transfers heat from the unit's burner system into the surface-heating hoses or blankets. They prevent glycol-based heating fluid from leaking at connection points, fittings, or internal components, keeping system pressure stable so heat is distributed evenly across the work surface. When a seal deteriorates — through heat cycling, chemical exposure, or age — it can allow fluid to escape, causing pressure loss, inconsistent surface temperatures, and eventual heater shutdown until the seal is replaced.
Part Details
| Part Number | 5000176591 |
|---|---|
| Old Part Number | 0176591 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Seal |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| HSH700 | HSH700G | 5000620243 |
| HSH650 | HSH650 | 5000620991 |
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.
