18kW Tankless Water Heater Electric,240V Instant On Demand Hot Water Heater by MIZUDO - Used condition

18kW Tankless Water Heater Electric,240V Instant On Demand Hot Water Heater — Open-Box, 20% Off

Name: 18kW Tankless Water Heater Electric,240V Instant On Demand Hot Water Heater
Brand: MIZUDO
SKU: awhd-us-b0fn75jskd
Price: 236.09 USD
Availability: InStock

Brand: MIZUDO

Condition: Used - Mint

$236⁰⁹

$295⁹⁹

-20% Save $59⁹⁰

Updated: 50 days ago

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Description

Note: MIZUDO 18kw 240V tankless water heater electric requires 2 x 40 AMP two-pole breaker, 2 sets of 8 AWG wires and 3/4" NPT water connections. With a compact size of 17.05"H x 12.99"Lx 3.5"W, our electric hot water heater saves over 50% of space compared to traditional tank water heaters, fitting easily into most corners of your home.

Endless Hot Water Supply: Designed for whole house use, the Mizudo on-demand electric water heater supplies instant hot water at a flow rate ranging from 1.7 to 4.2 gallons per minute (GPM). This rate varies with the inlet water temperature, reaching up to 4.2 GPM at 77℉.

High Energy Efficiency & Cost Saving: Boasting 98% high energy efficiency, this electric tankless water heater heats up in just 3 seconds. Additionally, it can reduce electricity costs by up to 60% compared to traditional tank-style heaters.

Multiple Protections: This instant water heater is ETL certified and equipped with advanced safety features, including leakage protection, over-temperature protection, dry-heating protection, among others. Each unit undergoes rigorous testing prior to leaving the factory to ensure safe and reliable operation.

Stable Temperature Control: Our smart system constantly fine-tunes the heating power based on water flow to deliver a steady, uninterrupted stream. You can easily set your preferred temperature via the LED touch display between 86°F and 140°F. Thanks to a built-in chip that makes adjustments 20,000 times per second, the temperature remains stable within ±1°F, ensuring a consistently comfortable shower experience.

After-Sale Service: We provide long-term return & exchange services along with professional technical consulting support

Designed to supply endless hot water as needed, the Mizudo 18kW 240V electric tankless water heater is perfect for 2‑3 fixtures simultaneously, offering an impressive 4.2 GPM flow rate. For expected performance in your area, please refer to the guide based on local groundwater temperature and typical usage. This unit requires two 40 Amp double‑pole breakers and a 75 Amp household service make sure your electrical system can handle the load and that your breaker panel has enough space for installation

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Product Details

SKU:: awhd-us-b0fn75jskd
Model:: 18kW
Country:: US
ASIN:: B0FN75JSKD

Shopping Smarter

Common questions about buying open-box and refurbished.

Why buy refurbished or open-box?

Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $60 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.

What's the difference between open-box and refurbished?

Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.

Why use OpenBoxFox?

Finding refurbished deals is time-consuming — you'd have to check Amazon Warehouse, Reebelo, Dyson Outlet, and others separately for MIZUDO products. OpenBoxFox aggregates these listings in one place, so you can compare and find the best deal without the legwork. We update pricing daily so you always see current availability and real savings.

Is it safe to buy refurbished?

Yes. Products listed on OpenBoxFox come from established retailers like Amazon, Reebelo, and Dyson — not unknown third-party sellers. Each retailer has buyer protection policies, return windows, and in some cases warranties. You get the price advantage of used goods with the purchase security of a known retailer.