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ES-N series : Standard of electric water heater.


Electric water heater...means ES-N series!!

A standard type of small water heater is this ES-N series. Popular and seen everywhere in Japan for its' wide range of selection.

ES-N series has many useful variation & options.

ES-N series has three types of variation;

  • ES-N2......Square
  • ES-N3......Round
  • ES-N4..... Rectangular

And each model has options as below,

  • Basic standard : With thermostat control
  • TYPE B: With energy saving / temperature control timer.
  • TYPE X: With automatic mix valve to supply 40°C hot water constantly.
  • TYPE BX : With energy saving / temperature control timer and automatic mix valve.
  • TYPE W : With hot water outlets both of right and left side. (ES-N2 only.)
  • TYPE BX-AF...Bundle of ES-N2(type BX) and automatic faucet.

How to use

After start running, open the mixing faucet, ES-N series supplies from 35°C to 75°C * hot water.(*Depending on type and setting)



  • Model number,...ES-N2(Square),ES-N3(Round),ES-N4(Rectangular)
  • Suitable usage...Dish / hand / face washing
  • Highest use temperature...Approx 75 °C (TYPE X and BX : C fixed 40°C flow)
  • Place to set ...Stand.
  • Structure ...Concealed (Pressurized)
  • Type...Strage type
  • Storage capacity(Liter)...From 5.4 to 40 (Depending on model)
  • Voltage ...Single phase 100 or 200V
  • Power rating...From 1.1kW to 3.1kW (Depending on model)
  • Specification change ...Possible
  • Brochure (Japanese/PDF format) >> Download(ES-N2/N3/N4)    Download(ES-N2BX-AF)

Please feel free to Contact us if you have any questions.