Whole-home output without the tank.
With 36kW of AC power and 240V operation, this electric tankless water heater is designed for residential whole-home shower applications and daily multi-point hot water use.
Tankless Water Heater Electric 36kW 240V 3s heating Whole House Shower
About this item
- INSTANT HOT WATER – MIZUDO 36kW Electric Tankless water heater delivers up to 8.7 GPM at 77°F inlet (104°F out). Flow varies: 6.4 at 67°F, 5.1 at 57°F. 98% efficient, 3s heating, supports 5-6 fixtures. Cuts energy costs up to 60%.
- INSTALLATION REQUIREMENTS – MIZUDO 36kW 240V unit requires 4 x 40A two-pole breakers, 4 sets of 8 AWG wires, and 3/4" NPT water connections. Verify panel capacity before purchase; consult electrician if unsure. Professional installation recommended.
- PRECISE TEMPERATURE CONTROL – MIZUDO water heater features LED touch display allows setting 86–140°F. Built-in smart chip adjusts 20,000 times/sec, locking temperature within ±1°F for steady comfort. Smart system fine-tunes power based on water flow.
- COMPACT SPACE-SAVING DESIGN – MIZUDO 36kW Electric Tankless water heater measures 17.1 x 18.5 x 3.7 inch, saving over 87% space vs bulky tank heaters. Fits easily into most corners, under sinks, wall-mounted, closets, or small utility rooms.
- SAFETY PROTECTIONS AND AFTER-SALE – MIZUDO water heater features leakage, over-temperature, and dry-heating protection. Each unit factory-tested for reliable operation. Backed by long-term return/exchange services and professional technical support.
Tankless Water Heater Electric 36kW 240V 3s heating Whole House Shower
Sale price$659.99
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Hot water, exactly when you need it.
The MIZUDO 36kW electric tankless water heater provides on-demand hot water with 240V AC power, precise temperature control, and a compact tankless design for residential hot water applications.
3 sec
8.7 GPM
98%
±1°F
Power and precision in a slim form.
Every detail is designed around a more stable shower experience, from the heating core to the touch interface.
Comfort you can set precisely.
The LED touch display allows temperature settings from 86°F to 140°F. Temperature output and actual flow may vary according to inlet water temperature, flow demand, and installation conditions.
More usable space around the home.
The unit measures approximately 17.1 inches wide by 18.5 inches high by 3.7 inches deep. Confirm the mounting location and required service clearance before installation.
Flow depends on inlet water temperature.
The stated flow rates below provide a useful planning reference. Actual performance varies with operating conditions.
| Inlet water condition | Stated flow |
|---|---|
| 77°F inlet / 104°F outlet | Up to 8.7 GPM |
| 67°F inlet | Up to 6.4 GPM |
| 57°F inlet | Up to 5.1 GPM |
Reliable components. Safer everyday operation.
Heat transfers quickly as water passes through.
The copper cup heating element is designed to transfer heat as water passes through the unit, helping deliver hot water without storing a large tank of preheated water.
Made for showers and daily routines.
Use the unit as part of a residential hot water system for showering and other daily hot water needs. Final performance depends on water temperature, flow demand, electrical service, and installation conditions.
Layered protection for peace of mind.
Built-in leakage protection, over-temperature protection, and dry-heating protection help support safer daily operation.
Confirm the electrical fit before ordering.
This is a high-power 240V electric water heater. Review capacity, connections, clearance, and local code requirements before purchase.
Electrical checklist
Verify that your home's electrical panel and wiring can support the required installation.
- 240V AC power
- 4 × 40A two-pole breakers
- 4 sets of 8 AWG wires
- 3/4 inch NPT water connections
- Professional installation recommended
Installation planning
Use the official installation manual and a qualified installer to confirm site readiness.
- Check available panel capacity
- Confirm water connection compatibility
- Use a qualified electrician or installer
- Follow the official installation manual
- Verify local installation requirements
Everything to know before you install.
Is this a gas or electric water heater?
This is an electric tankless water heater using 240V AC power. It is not a Natural Gas or Propane model.
What electrical installation is required?
The product information lists 4 × 40A two-pole breakers and 4 sets of 8 AWG wires. Verify your electrical panel capacity and consult a qualified electrician before ordering.
What flow rate can I expect?
The stated maximum is up to 8.7 GPM at a 77°F inlet and 104°F outlet. Stated flow is up to 6.4 GPM at a 67°F inlet and up to 5.1 GPM at a 57°F inlet. Actual performance varies with operating conditions.
What temperature range can be selected?
The LED touch display is listed with a selectable temperature range of 86°F to 140°F.
Is professional installation recommended?
Yes. Electrical capacity, wiring, water connections, mounting, and local code requirements should be checked by a qualified professional.
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