The Wacker Neuson Thermostat is a genuine OEM component designed for the HSH700 and HSH650 hydronic surface heaters. Sourced directly from Wacker Neuson, this thermostat meets the exact specifications of the original part installed at the factory. It fits the HSH700 and HSH650 models, making it a direct replacement for worn or failed units in both series. Keeping the correct thermostat in place is essential for accurate temperature regulation and consistent heating output on the jobsite.
Key Features
- Genuine OEM Temperature Accuracy — Calibrated to the precise switching points required by the HSH series heating circuit, ensuring the system cycles on and off at the correct fluid temperatures.
- Direct Drop-In Replacement — Matches the original mounting configuration and connection points on the HSH700 and HSH650, allowing straightforward installation without adapting fittings or hardware.
- Confirmed HSH Series Fitment — Verified for the HSH700 and HSH650 hydronic surface heaters, so you can order with confidence knowing this is the correct part for your machine.
- Stable Heating Performance — A functioning thermostat keeps fluid temperature within the designed operating range; a failed or out-of-spec unit can cause the heater to overheat, short-cycle, or fail to reach target surface curing temperatures.
- Fuel and Heating System Safety — Proper thermostat function is critical in hydronic heating systems; an inaccurate or stuck thermostat can allow unsafe fluid temperatures that stress hoses, fittings, and the heat exchanger.
The thermostat monitors the temperature of the heated fluid circulating through the HSH system and signals the burner or heating element to cycle on or off in order to maintain the target operating temperature. In concrete curing and cold-weather construction applications, consistent fluid temperature directly affects surface quality and curing outcomes. When a thermostat sticks open, the system runs continuously and risks overheating; when it sticks closed, the heater fails to reach working temperature and heating output drops off entirely.
Part Details
| Part Number | 5000176581 |
|---|---|
| Old Part Number | 0176581 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Thermostat |
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.