Electric Tankless Water Heater, 18kW 240V on Demand Instant Endless Water Heater with LED Temperature Display for Residential Whole House Shower, Space Saving
Electric Tankless Water Heater, 18kW 240V on Demand Instant Endless Water Heater with LED Temperature Display for Residential Whole House Shower, Space Saving
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Electric Tankless Water Heater, 18kW 240V on Demand Instant Endless Water Heater with LED Temperature Display for Residential Whole House Shower, Space Saving

|137 ratings
Electric Tankless Water Heater, 18kW 240V on Demand Instant Endless Water Heater with LED Temperature Display for Residential Whole House Shower, Space SavingElectric Tankless Water Heater 18kW 240V Demand Instant Endless Water Heater LED Temperature Display Residential Whole House Shower Space Saving8kW Tankless Electric Water Heater 240V on Demand Instant Endless Water Heater with LED Temperature Display for Whole House ShowerRanein Electric Tankless Water Heater 27kW 240V Demand Instant Endless Water Heater LED Temperature Display Residential Whole House Shower Space Savi13kW Tankless Electric Water Heater 240V on Demand Instant Endless Water Heater with LED Temperature Display for Whole House Shower8kW Tankless Electric Water Heater 240V on Demand Instant Endless Thermostatic Water Heater
Actual Color18kW

Key item features

  • Core Specifications: This 18kW, 240V heater requires two bipolar 40 amp circuit breakers. Measuring 13.8" x 3.1" x 18.7" with a 3/4" NPT water connection, it supports 2-4 usage points.
  • Energy Efficient: Achieve up to 99% thermal efficiency, saving up to 60% on heating costs by eliminating preheating and energy consumption when idle.
  • Instant Hotwater: Provides on-demand, endless hot water at up to 6.5 GPM. No waiting, ensuring stable and ample hot water for multiple points of use.
  • Compact Design: Features a compact, wall-mounted, tankless design for significant space saving. It includes knob controls and an LED display for precise temperature setting (86°F to 131°F).
  • Robust Safety: Equipped with leakage, overheating, and damp proof protection, plus an IPX4 waterproof rating and CSA listing. The separated heating element reduces scale and corrosion.
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3.8 out of 5 stars
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137 ratings67 reviews
How item rating is calculated
  1. 5 stars58% (80)
  2. 4 stars7% (9)
  3. 3 stars7% (10)
  4. 2 stars6% (8)
  5. 1 star22% (30)
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Showing 1-3 of 67 reviews

Oct 3, 2026
Reviewer name: Dara
Item details
Watts: 18 kW
Sold byEssentialHomeDelivered byWalmart
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Easy to install, works great for small house with 3-4 water use spots.

Helpful?6XI15GSSJBFO5592704379
Sep 28, 2026
Reviewer name: Jeremy
Sold byEssentialHomeDelivered byWalmart
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

works as it should

so far this has worked great i will say do not turn it up all the way keep as high as 120 degrees and it will work great with no issues. the water heats up right away and stays hot.

Incentivized Review
Helpful?6XI15GSSJBFO5592704379
Sep 21, 2026
Reviewer name: Aaron
Item details
Watts: 27 kW
Sold byEssentialHomeDelivered byWalmart
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Still sitting in package. Haven't hooked up yet, but will be soon. So excited to have hot water

Incentivized Review
Helpful?6XI15GSSJBFO5592704379
Current price is Now $254.15
You save $44.85
was $299.00
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Sold and shipped by EssentialHome
4.205882352941177 out of 5 stars
4.2 stars out of 5, based on 108 seller reviews(4.2)
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