The Wacker Neuson Diaphragm is a genuine OEM component designed for the E3000 Hydronic Surface Heater and E3000 Ground Heater series. As a factory-sourced part, it is manufactured to the same specifications as the original, ensuring a direct, like-for-like replacement in your E3000 unit. Fitment covers the full E3000 family, including generator-equipped models, liftbail configurations, and temperature-control variants. Keep a verified replacement on hand to avoid unnecessary delays during critical cold-weather operations.
Key Features
- Genuine OEM Material Integrity — Manufactured to Wacker Neuson's original material and flexibility specifications, ensuring the diaphragm seats and flexes correctly under pump cycling pressure.
- Drop-In Replacement — Matches the original mounting geometry and port dimensions of the E3000 pump assembly, allowing straightforward installation without modification.
- Broad E3000 Series Coverage — Compatible across the full E3000 lineup, including Ground Heater models, Hydronic Surface Heater models, liftbail configurations, 3kW and 6kW generator variants, and temperature-control equipped units.
- Sustained Fluid Transfer Performance — A properly functioning diaphragm maintains consistent fluid displacement through the heating circuit; a cracked or fatigued diaphragm causes loss of flow, uneven heating output, and potential fluid contamination.
- Fuel System Integrity — Correct diaphragm condition is critical to maintaining sealed fuel or fluid passages within the pump; a failed diaphragm can allow fuel or heating fluid to migrate into unintended circuits, creating a safety risk.
The diaphragm is a flexible membrane within the pump assembly that creates the pressure differential needed to draw and push fluid through the heating circuit. In hydronic surface heaters and ground heaters like the E3000, the diaphragm cycles continuously to circulate heated fluid through the hose blankets or ground-thaw mats, making it one of the most mechanically active components in the system. When the diaphragm develops a crack, tear, or loses elasticity, fluid flow drops off, heat distribution becomes uneven, and the pump may lose prime entirely — leaving the heating system unable to maintain target temperatures in cold-weather concrete curing or ground-thaw applications.
Part Details
| Part Number | 5200008066 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Diaphragm |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| E3000 Hydronic Surface Heater with generator | E3000 | 5000620219, 5000620679, 5000620158, 5000620678, 5200014677, 5100017807, 5100017809, 5200014678, 5200014679, 5200014720, 5100017806, 5100017808, 5100025046, 5100025045 |
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.
