The Wacker Neuson Straight Fitting is a genuine OEM component designed for the E1250S and E1250P hydronic surface heaters. Sourced directly from Wacker Neuson, this fitting delivers the exact dimensions, thread spec, and material grade required for a leak-free connection in the hydronic circuit. It is confirmed compatible across the E1250S Standard (LP/NG) and E1250P Premium (Diesel and LP/NG) configurations. Installing the correct OEM fitting ensures the fluid system maintains proper pressure and flow without the risk of seepage that can result from an ill-fitting aftermarket substitute.
Key Features
- OEM-Matched Thread and Port Geometry — Manufactured to the exact thread form and port dimensions specified for the E1250 hydronic circuit, ensuring a pressure-tight seal without rework.
- Direct Drop-In Replacement — Connects inline with existing hydronic lines using the same interface as the original, so no additional adapters or modifications are needed during installation.
- Broad E1250 Series Coverage — Fits both the E1250S Standard (LP/NG) and E1250P Premium (Diesel and LP/NG) hydronic surface heaters, making it a single part number for your E1250 fleet.
- Leak-Free Fluid Circuit Integrity — A correctly seated straight fitting maintains steady coolant flow through the heating loop; a cracked or cross-threaded fitting can cause fluid loss, pressure drop, and uneven surface heating.
- Genuine Wacker Neuson OEM Quality — Produced to the same material and dimensional standards as the original production fitting, backed by Wacker Neuson's parts program.
A straight fitting is a fluid-line connector that joins two sections of hose or tubing in a direct, in-line path within the hydronic heating circuit. In a hydronic surface heater like the E1250 series, heated fluid is circulated through hoses and blankets to warm concrete slabs, ground, or other surfaces from below — and every fitting in that loop must hold a reliable seal under sustained heat and pressure. When a straight fitting cracks, strips, or leaks, fluid escapes the circuit, pressure drops, and the heating output becomes uneven or fails entirely, potentially compromising a cure cycle or cold-weather pour.
Part Details
| Part Number | 5100015684 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Straight Fitting |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| E1250S | E1250S | 5200012355, 5200012354 |
| E 1250P Hydronic Heater, Premium, Diesel | E1250P | 5200012357, 5200012356 |
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.
