The Wacker Neuson Breather Valve is a genuine OEM component designed for the HSH700 and HSH650 hydronic surface heaters. Sourced directly from Wacker Neuson, this part meets the exact specifications required by both the HSH700 and HSH650 models. As a genuine OEM part, the is built to the same standards as the original component installed at the factory, ensuring a correct, hassle-free installation. Keep your hydronic surface heater operating at peak efficiency by replacing a worn or failed breather valve with the right part the first time.
Key Features
- Genuine OEM Pressure Management: — Engineered to maintain the correct system pressure balance within the hydronic circuit, preventing air lock and fluid overflow conditions specific to HSH-series heaters.
- Direct Drop-In Installation: — Matches the original valve's port size, thread pattern, and mounting configuration for a straightforward swap with no rework needed.
- Confirmed HSH Series Fitment: — Verified compatible with the HSH700 and HSH650 hydronic surface heater models.
- Protects Hydronic System Integrity: — A properly functioning breather valve prevents pressure buildup and fluid loss in the heating loop, helping the heater deliver consistent, even surface warmth across the mat system.
- Fuel and Fluid Safety Compliance: — Correct venting is critical in a pressurized hydronic system; using the genuine OEM breather valve ensures the system vents safely and within designed operating parameters.
The breather valve in a hydronic surface heater allows trapped air and excess pressure to escape from the fluid circuit, keeping the heating loop primed and flowing correctly. Without a functioning breather valve, air can become trapped in the system, causing uneven heating, reduced heat transfer, or pump cavitation. A failed or stuck valve can also allow pressure to build beyond safe limits, potentially leading to fluid leaks or system shutdown — making timely replacement essential to uninterrupted cold-weather concrete curing and ground thawing operations.
Part Details
| Part Number | 5000176534 |
|---|---|
| Old Part Number | 0176534 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Breather Valve |
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.