The Wacker Neuson Pipe Nipple 1/2 NPT x 1 1/2 Black Steel is a genuine OEM component designed for the HI1000 Indirect Air Heater, E1250 Hydronic Heater, and HSH380 heater series. Sourced directly from Wacker Neuson, this part meets the exact material and dimensional specifications of the original, ensuring a correct fit within the fuel or fluid line circuit. It is compatible across multiple heater configurations including Basic, Standard, and Premium variants, as well as diesel, natural gas, and propane models. When you need a straight swap with no guesswork, part number delivers the confidence of a genuine OEM replacement.
Key Features
- Genuine OEM Black Steel Construction — Manufactured to Wacker Neuson's original material specification, this black steel nipple resists corrosion and handles the pressure demands of commercial heating system plumbing.
- Standard 1/2 NPT Threaded Ends — Both ends carry 1/2 NPT tapered threads that engage cleanly with mating fittings, making installation straightforward with standard pipe wrenches and thread sealant.
- Broad Heater Series Compatibility — Fits HI1000 Indirect Air Heaters, E1250 Hydronic Heaters (Basic, Standard, and Premium), and HSH380 heaters across diesel, LP, and natural gas fuel configurations.
- Maintains Fluid Line Integrity — A correctly installed nipple keeps fuel or fluid connections leak-free; a failed or corroded nipple can cause pressure loss, fuel weeping, or heater shutdown in cold-weather operations.
- Fuel System Safety — Using a genuine OEM-spec fitting in the fuel or fluid circuit ensures thread engagement and wall thickness are appropriate for the pressures involved, reducing the risk of joint failure in a live fuel line.
A pipe nipple is a short length of threaded pipe used to connect two fittings, valves, or ports within a plumbing or fuel circuit. In Wacker Neuson heaters, this fitting links sections of the fuel or fluid delivery system, maintaining a sealed, pressure-rated pathway between components. When a nipple cracks, corrodes, or develops thread damage, it can cause leaks that lead to heater faults, fuel loss, or unsafe operating conditions — making prompt replacement with a correctly rated part essential.
Part Details
| Part Number | 5200012759 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Pipe Nipple 1/2 NPT x 1 1/2 Black Steel |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| HI260 HEATER,OIL WITH TANK | HI260 | 5200018503 |
| E1250S | E1250S | 5200012355, 5200012354 |
| E12540B | E1250B | 5200012353, 5200007613 |
| HSH380s | HSH 380S | 5100054643 |
| E 1250P Hydronic Heater, Premium, Diesel | E1250P | 5200012357, 5200012356 |
| HSH380S-Diesel, with Generator | HSH380S | 5200012371, 5200012370 |
| HI1000 Indirect Air Heater, Diesel w/Tank | HI1000 | 5200011232, 5100049274 |
| HI1000 Indirect Air Heater, DGM, Electric Break | HI1000DGM | 5200011234, 5200011235, 5100049275, 5100049276 |
| HSH380B-Diesel, without generator | HSH380B | 5200012359, 5200007614 |
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.
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