The Wacker Neuson is a genuine OEM Quick Disconnect Coupling designed for the E1250S and E1250P hydronic surface heaters and the HSH380S hydronic surface heater series. Sourced directly from Wacker Neuson, this coupling meets the exact specifications required for proper fluid-circuit connections on these machines. It is a direct-fit replacement for LP/NG, Diesel, and generator-equipped configurations across both the E1250 and HSH380S product lines. If you are maintaining or repairing a Wacker Neuson hydronic heating system, verifying part number against your machine's serial number plate ensures you receive the correct coupling for your unit.
Key Features
- Genuine OEM Fluid-Tight Integrity — Manufactured to Wacker Neuson's exact coupling tolerances, ensuring a secure, leak-free connection within the hydronic heating circuit.
- Drop-In Replacement — Engineered to connect directly to existing hose and manifold ports on E1250S, E1250P, and HSH380S units without additional adapters or modifications.
- Broad E1250 and HSH380S Compatibility — Fits LP/NG and Diesel variants of the E1250S, E1250P, and HSH380S, including generator-equipped configurations.
- System Pressure Performance — A correctly sealed quick disconnect coupling maintains consistent fluid flow through the hydronic loop, ensuring the heater delivers full heating output to the surface panels.
- Fuel and Fluid Safety Compliance — Proper coupling integrity prevents fluid leaks in the hydronic loop, which is critical when operating heaters in enclosed or cold-weather jobsite conditions.
A quick disconnect coupling is a valved fitting that allows sections of the hydronic fluid circuit to be connected or separated rapidly without draining the entire system or introducing air into the loop. On Wacker Neuson hydronic surface heaters like the E1250 and HSH380S series, these couplings link the heater unit to the surface heating hoses and panels, keeping hot fluid circulating evenly across the work area. When a coupling wears, cracks, or fails to seat correctly, fluid loss and pressure drop will reduce heating efficiency and can lead to system shutdown or jobsite delays.
Part Details
| Part Number | 5200018783 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Quick Disconnect Coupling |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| E1250S | E1250S | 5200012355, 5200012354 |
| HSH380s | HSH 380S | 5100054643 |
| E 1250P Hydronic Heater, Premium, Diesel | E1250P | 5200012357, 5200012356 |
| HSH380S-Diesel, with Generator | HSH380S | 5200012371, 5200012370 |
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.
