Wilo-Stratos ECO #4117301

Wilo-Stratos ECO #4117301
Seal-less circulating pump with flanged connection, electronically commutated motor and automatic performance adaptation

Residential closed loop hot water heating systems, water and water/glycol solutions up to 50% concentration (cast iron version) and domestic hot water recirculation systems (bronze version)
Special features/Product advantages
- Energy efficiency class A
- Up to 80% power savings in comparison with uncontrolled circulators
- Highest efficiency thanks to ECM technology
- 3 x higher starting torque than conventional circulation pumps
- Electrical quick connection with spring clips
- 6 ½” flange to flange dimension matches common models
Wilo-Stratos ECO
Technical data
- Fluid temperature (closed systems): + 60 °F (+15 °C) to +230 °F (+110 °C)
- Fluid temperature (open domestic water systems): + 60 °F (+15 °C) to +150 °F (+68 °C)
- Power supply 1~115 V, 1~230 V 60 Hz
- NEMA class 2
- Companion flange type: 2 bolt residential (¾”, 1”, 1 ¼” and 1 ½”)
- Max. operating pressure 145 PSI
Equipment
- Electronically Communitated Motor (ECM)
- Control mode Δp-v; for optimum load adjustment
- Automatic setback operation for further savings potential
- Red-button technology for simple operation
- Anti-seizing function
- Power supply possible from both sides for simple installation
- Quick connection, spring clips for easy electrical connection
Materials
- Pump housing: cast iron and bronze ("B” version)
- Shaft: stainless steel
- Bearing: carbon, metal impregnated
- Impeller: reinforced PPS (polypropelene)
Scope of delivery
- Pump
- Flange gaskets

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