The Wacker Neuson Flow Indicator is a genuine OEM component designed for the E3000, E3000 ES, E2200, E1100, S3000, E700M, HSH350, HSH650, and HSH700 hydronic surface heater series. As a direct OEM replacement, part is manufactured to the same specification as the original, ensuring accurate fluid-flow visibility with no guesswork during setup or operation. This indicator fits an exceptionally wide range of Wacker Neuson ground heater and hydronic surface heater configurations, including lift-bail variants, generator-equipped models, and both 50 Hz and 60 Hz versions. Keeping a verified replacement on hand means your heating system stays operational through the cold-weather pour season without interruption.
Key Features
- Genuine OEM Clarity: — Manufactured to Wacker Neuson's original optical and material specification, so flow readings are consistent and easy to interpret at a glance — critical for preventing pump cavitation and dry-run damage.
- Drop-In Replacement: — Matches the original port size, thread pitch, and body geometry of the 5000168091, so it installs directly into the existing fluid circuit without rework.
- Broad Model Coverage: — Confirmed fitment across E3000, E3000 ES, E2200, E1100, S3000, E700M, HSH350, HSH650, and HSH700 series — covering ground heater and hydronic surface heater configurations, lift-bail models, and both generator-integrated and standalone units.
- Protects the Heating Circuit: — A functioning flow indicator lets operators confirm fluid circulation before and during operation, preventing overheating events and costly pump or heat exchanger damage caused by undetected flow loss.
- Cold-Weather Dependability: — Hydronic heaters work hardest in sub-zero conditions; a failed or fogged indicator removes the operator's ability to verify system status, making a correct-spec replacement essential for confident cold-weather concrete and ground-thaw operations.
The flow indicator is a visual monitoring component installed in the fluid circuit of a hydronic surface heater or ground heater. It allows the operator to confirm that heated fluid is actively circulating through the hose system — a critical check before leaving the unit unattended on a pour or thaw job. When the indicator becomes cracked, cloudy, or fails to show flow movement accurately, operators lose visibility into system status, which can lead to undetected circulation failures, pump damage, or uneven ground heating. Replacing a worn or damaged flow indicator restores that essential at-a-glance confirmation and keeps the heating system running safely and efficiently.
Part Details
| Part Number | 5000168091 |
|---|---|
| Old Part Number | 0168091 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Flow Indicator |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| E3000 Hydronic Surface Heater with generator | E3000 | 5000620219, 5000620679, 5000620158, 5000620678, 5200014677, 5200004952, 5100017807, 5100017809, 5200014678, 5200014679, 5200014720, 5100017806, 5100017808, 5200014721, 5100017810, 5100017811, 5100025046, 5100055568, 5100056441, 5100017801, 5100056440, 5100025045 |
| HSH700 | HSH700G | 5000620243 |
| E2200 GROUND HEATER, W/ LIFT BAIL | E2200 | 5000620215, 5000620176, 5000620216, 5000620226, 5100017448, 5100017449 |
| Hydronic Surface Heater | HSH350 | 5000620254, 5200001677 |
| E3000 ES Hydronic Surface Heater | E3000ES | 5000620968, 5000620967 |
| E1100 GROUND HEATER | E1100 | 5000620172, 5000620244, 5200001676 |
| Hydronic Surface Heater w/ Gen erator, 3000 ft hose | S3000 | 5000620218, 5000620182 |
| HSH650 | HSH650 | 5000620991 |
| Hydronic Surface Heater, 700m hose | E700M | 5000620195 |
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.