HOT ! Eemax HomeAdvantage II 18kW 240V Electric Tankless Water Heater - - EHA018240

Eemax HomeAdvantage II 18kW 240V Electric Tankless Water Heater - EHA018240

Compact and 99% energy efficient, this EEMAX electric tankless water heater only heats water on-demand instead of throughout the day for enhanced energy savings. HomeAdvantage II tankless electric water heaters can be installed in a central location or multiple locations throughout the home, like the master bathroom and kitchen. Perfect for apartments, assisted living facilities, condominiums, and multi-family applications.

Choosing the right Eemax tankless electric water heater depends on your climate. Consult the sizing guide to find the correct unit for your home.

Features

• Instant, consistent and endless hot water


• Compact, resistant and stylish with digital temperature control in increments of 1° ranging from 80°F to 140°F


• Copper immersion heating elements with brass top increase durability and are threaded for easy replacement


• Simple Installation


• Digital temperature display


• External controls to adjust temperature

What our Experts Think

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  Endless Hot Water On Demand – Electric tankless design delivers continuous hot water without a storage tank, ideal for bathrooms, kitchen, laundry, and more.

  
  


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  Powerful 18 kW Performance – Higher output supports moderate flow rates (up to ~7 GPM) for showers and multiple fixtures when sized correctly.

  
  


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  Energy‑Efficient & Compact – ~99% efficiency with no standby heat loss and a slim wall‑mounted profile saves space vs. traditional tank heaters.

  
  


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  Durable Build Quality – Copper immersion heating elements with brass tops are threaded for easy replacement and long service life.

  
  


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  Precision Temperature Control – Digital control with adjustable range (~80–140 °F) ensures consistent comfort.

  
  


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  Professional Installation Required – Requires dedicated 240 V wiring and breaker configuration (e.g., two 40 A circuits) for safe, optimal performance.

  
  


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  Best Fit for Households & Larger Points‑of‑Use – Recommended where moderate demand exists (showers, sinks), but consult sizing guidelines for multi‑bath homes.

  
  

Q&A

Q: What is the Eemax HomeAdvantage II EHA018240?A: A residential electric tankless water heater that heats water on demand, providing continuous hot water without a storage tank.

Q: How does this tankless model work?A: It activates when water flows through the unit, ensuring hot water instantly at faucets, showers, or appliances.

Q: Where is this heater typically installed?A: Designed for indoor installation to serve one or multiple point‑of‑use needs in a home.

Q: What should buyers know about installation?A: Requires a dedicated 240 V electrical connection and professional installation for safe, code‑compliant setup.

Maintenance Tips

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  Inspect inlet/outlet water connections yearly for cracks, leaks, or damage.

  
  


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  Always turn off power and water supply before servicing or maintenance.

  
  


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  Flush/descale the unit every 6–12 months to reduce mineral buildup in hard‑water areas.

  
  


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  Clean the inlet filter regularly to maintain proper water flow and efficiency.

  
  


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  Keep the installation area clear and ventilated to avoid overheating.

  
  


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  Set thermostat around 120 °F (49 °C) to minimize scaling and save energy.

  
  


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  Consider an annual professional inspection to ensure optimal performance and safety.