The Wacker Neuson Union Nut is a genuine OEM component designed for the TH627 indirect-fired air heater. Sourced directly from Wacker Neuson, this part matches the original specification and integrates seamlessly into the fuel or fluid line connection points where a secure, leak-free union is critical. As a genuine OEM part, the carries the same design tolerances as the unit that left the factory, giving you confidence in fit and function when it matters most on a cold-weather worksite.
Key Features
- Genuine OEM Thread Integrity — Machined to the exact thread profile and torque specification required for a secure, leak-free connection in the TH627 fuel or fluid circuit.
- Direct Drop-In Replacement — Engineered to the same dimensions as the original union nut, allowing straightforward installation without modification to existing line fittings or hardware.
- Confirmed Fitment for TH627 — Verified against Wacker Neuson spare parts list 418-02 for the TH627 indirect-fired air heater series.
- Fuel and Fluid System Reliability — A correctly seated union nut maintains system pressure and prevents fuel or fluid seepage that can compromise heater output and trigger shutdowns during cold-weather operations.
- Fuel System Safety — A properly torqued union nut eliminates potential leak points in the heater's fuel delivery circuit, reducing fire and fume risk in enclosed or confined work areas.
A union nut is a threaded fastening component used to join two sections of pipe, tubing, or fittings within a fluid or fuel circuit. It works by drawing mating connection faces together under thread tension, creating a sealed, pressure-resistant joint without requiring permanent welding or crimping. On indirect-fired air heaters like the TH627, union nuts are found in the fuel delivery and fluid circulation lines, and a worn, cracked, or cross-threaded nut can result in fuel leaks, loss of system pressure, or heater shutdown — all of which are serious concerns in heating-critical applications.
Part Details
| Part Number | 1000050506 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Union Nut |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| SPARE PARTS LIST 418-02 / TH627 | TH627 (418-02) | 1000362623 |
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.
