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HOT ! Eemax SPEX4208 FlowCo 208V Tankless Electric Water Heater | 4.1kW

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Detailed information on Eemax SPEX4208 FlowCo 208V Tankless Electric Water Heater | 4.1kW



Eemax SPEX4208 FlowCo Thermostatic Tankless Electric Water Heater



Brand: Eemax SKU: SPEX4208



Product Details


The Eemax SPEX4208 FlowCo is a high-efficiency tankless water heater specifically engineered for 208V electrical systems, common in commercial and industrial settings. Delivering 4.1kW of power, this unit provides a reliable, thermostatic hot water solution for point-of-use fixtures. It solves the performance loss often seen when installing 240V heaters on 208V circuits by providing a calibrated power output that ensures consistent temperatures. Compact and remarkably versatile, the SPEX4208 is the professional’s choice for dedicated handwashing in office buildings, schools, and retail environments.


Key Features:




  • 208V Optimization: Purpose-built for 208V power, ensuring you get the full 4.1kW of heating capacity without the \"de-rating\" performance drop associated with standard 240V models.


  • Thermostatic Accuracy: Integrated microprocessor technology maintains a precise outlet temperature ($+/- 1^\\circ\\text{F}$), preventing fluctuations even as incoming flow rates change.


  • 0.3 GPM Activation: Designed to trigger heating at ultra-low flow rates, making it perfectly compatible with LEED-compliant water-saving faucets and sensor sinks.


  • Mount Anywhere: Features a 360-degree mounting design, allowing the unit to be installed in any orientation to fit into tight under-sink cabinets or around existing plumbing.


  • Energy Efficiency: Only draws power when the faucet is turned on, eliminating the standby heat loss of traditional tank heaters and reducing overall energy costs.


Specifications:




  • Power Rating: 4.1 kW


  • Voltage: 208V (Single Phase)


  • Amperage Draw: 19.7 Amps


  • Required Breaker: 25 Amp


  • Recommended Wire Size: 10 AWG


  • Water Connections: 1/2\" NPT


  • Activation Flow Rate: 0.3 GPM


  • Temperature Rise @ 0.5 GPM: 56°F


  • Dimensions: 9.75\" H x 5.25\" W x 3\" D












































































































Model kW Amps Breaker Rise @ 0.5 GPM Rise @ 1.0 GPM
120 Volt Single Phase
SPEX1812 1.8 kW 15A 15A 25°F 12°F
SPEX2412 2.4 kW 20A 20A 33°F 16°F
SPEX3012 3.0 kW 25A 30A 41°F 20°F
SPEX3512 3.5 kW 29A 30A 48°F 24°F
240 Volt Single Phase (Recommended for 208V with de-rating)
SPEX35 3.5 kW 14.6A 15A 48°F 24°F
SPEX48 4.8 kW 20A 25A 66°F 33°F
SPEX55 5.5 kW 22.9A 30A 75°F 38°F
SPEX65 6.5 kW 27.1A 30A 89°F 44°F
SPEX75 7.5 kW 31.3A 40A 102°F* 51°F
SPEX95 9.5 kW 39.6A 50A 130°F* 65°F


Note: All FlowCo SPEX models feature THERMOSTATIC control as standard, ensuring output accuracy of +/- 1°F. *Temperature rise values exceeding 100°F are theoretical; the unit will maintain your set point (typically 105°F-110°F). De-rating for 208V: 240V models installed on 208V circuits will yield 25% less heating capacity.




Installation & Maintenance Tips:




  • Check Your Voltage: This model is specifically for 208V circuits. Installing this on a 240V circuit will cause the unit to draw significantly more amperage than rated and may damage the heating elements or trip the breaker.


  • Prevent Dry-Firing: Always run water through the unit for at least two minutes to purge all air before turning the electrical power on for the first time.


  • Inlet Filter Cleaning: Ensure the factory-installed inlet filter screen is checked annually. Debris can prevent the 0.3 GPM sensor from activating the heating sequence.


  • Hard Water Areas: If your local water is high in mineral content, consider a scale-inhibitor filter on the intake to maintain the efficiency of the Ni-Chrome heating elements.


Common Uses/Applications:




  • Commercial Office Buildings: Provides instant hot water for restrooms on 208V 3-phase building power.


  • Educational Facilities: Safe, thermostatic water for handwashing stations in schools and dormitories.


  • Retail Facilities: Compact enough for strip mall employee restrooms or single-sink breakrooms.


  • Laboratory Sinks: Offers the steady, precise temperatures required for clean-up in sensitive lab environments.


Common Questions:





The Eemax SPEX4208 FlowCo is the ultimate 208V solution for precision heating, combining commercial-grade durability with a compact footprint that fits nearly anywhere.



  • Eemax SPEX4208 FlowCo 208V Tankless Electric Water Heater | 4.1kW
  • Eemax SPEX4208 FlowCo 208V Tankless Electric Water Heater | 4.1kW

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