Wacker Neuson 1000331609 Reversing Valve

The Wacker Neuson Reversing Valve is a genuine OEM component designed for the TH627 hydronic surface heater. As a factory-original part, it is manufactured to the exact specifications required by the TH627, ensuring proper integration with the machine's fluid circulation system. Confirm your model number before ordering to ensure this is the correct replacement for your unit.

Key Features

• Genuine OEM Construction — Manufactured to Wacker Neuson's original design tolerances, ensuring the valve seats, seals, and cycles exactly as the TH627 system demands.
• Direct-Fit Replacement — Engineered to connect directly into the existing hydraulic or fluid lines of the TH627 without rework or adapters.
• Verified TH627 Compatibility — Sourced from the official TH627 spare parts list (418-02), confirming this valve is the correct OEM-specified part for that heater model.
• Maintains Proper Flow Direction Control — A correctly functioning reversing valve keeps heated fluid moving in the right direction and sequence; a failed unit causes uneven or absent heat delivery across the surface zone.
• Fluid System Integrity — Correct valve seating prevents internal bypass and pressure loss, both of which compromise the heater's ability to reach and hold target surface temperatures.

The reversing valve in a hydronic surface heater controls the direction of heated fluid flow through the system's circuit. By switching flow direction on demand, it allows the heater to distribute warmth evenly across the connected surface zones. When this valve fails or begins to leak internally, fluid can bypass or flow incorrectly, resulting in uneven heating, loss of system pressure, and reduced effectiveness — making timely replacement essential to keep the TH627 operating as intended.

Part Details

Compatibility & Fitment

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.