The Wacker Neuson Union Nut is a genuine OEM component designed for the TH627 indirect-fired air heater. As a direct factory replacement, this union nut is sourced to the same specifications as the original part installed at the time of manufacture. Verified against the official TH627 spare parts list, this is the correct union nut for that application — no guesswork required.
Key Features
- Genuine OEM Thread Integrity — Manufactured to exact thread form and torque specifications, ensuring a leak-free, properly seated connection every time.
- Direct Factory Replacement — Matches the original union nut installed on the TH627, installing the same way as the part it replaces with no adaptation needed.
- Verified TH627 Fitment — Confirmed against the official Wacker Neuson spare parts list for the TH627 indirect-fired air heater (418-02).
- Secure Line Connection — A correctly functioning union nut maintains a tight, pressure-rated connection within the heater's fuel or fluid circuit; a worn or cross-threaded nut risks leaks and operational failure.
- Fuel System Safety — On heater applications, a properly torqued union nut is critical to maintaining a sealed fuel or supply line — preventing hazardous leaks in climate-controlled jobsite environments.
A union nut is a threaded fastening component used to join two sections of pipe, tubing, or fittings in a removable and resealable connection. In indirect-fired air heaters like the TH627, union nuts are commonly found along fuel supply and burner circuit lines, where maintaining a secure, leak-free seal is essential to safe and efficient heater operation. When a union nut becomes worn, stripped, or damaged, it can allow fuel or fluid to escape the circuit, leading to performance loss or creating a hazardous condition that requires immediate attention.
Part Details
| Part Number | 1000050503 |
|---|---|
| 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.