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APUS 18kW Tankless Water Heater Electric, 240V, Up to 4.4 GPM, 3s Instant
✅ In stock
📉 Price recently dropped
F
Grade
Analysis Confidence
73%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Nov 5, 2026 10:26 PM · Prices & availability subject to change
Is This a Good Price on Amazon?
💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- 💰The price is modestly below what this product ordinarily sells for.
- 🏷️The listed retail price is trimmed by 13% at checkout.
- 📉Better-priced windows have occurred before, though not frequently — today's price is reasonably competitive.
- 📈The direction is downward at the moment; if that holds, an even better price may surface — though timing the market is never certain.
How We Scored This Deal
Price Competitiveness
3.73/28
Recent Value
3.5/22
Market Standing
6.36/20
Deal Strength
1.5/20
Momentum
10/10
📝 Product Overview
🏪 Sold by
APUS WATER EQUIPMENT
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓𝐈𝐍𝐒𝐓𝐀𝐍𝐓 𝐇𝐎𝐓 𝐖𝐀𝐓𝐄𝐑 𝐎𝐍 𝐃𝐄𝐌𝐀𝐍𝐃 — The 18kW tankless water heater electric supplies up to 4.4 GPM for 2–3 simultaneous uses, helping power showers, sinks or laundry without preheating or a bulky storage tank.
✓𝐔𝐋𝐓𝐑𝐀-𝐒𝐋𝐈𝐌, 𝐒𝐏𝐀𝐂𝐄-𝐒𝐀𝐕𝐈𝐍𝐆 𝐃𝐄𝐒𝐈𝐆𝐍 — Measuring 13.7 × 11.42 × 3.54 inches, this wall-mounted hot water heater saves valuable floor space and suits whole-house or point-of-use installation.
✓𝟗𝟗.𝟖% 𝐓𝐇𝐄𝐑𝐌𝐀𝐋 𝐄𝐅𝐅𝐈𝐂𝐈𝐄𝐍𝐂𝐘 — Self-modulating technology adjusts power to the actual flow rate, heating water only when needed to reduce standby heat loss and unnecessary energy use.
✓𝟔-𝐋𝐀𝐘𝐄𝐑 𝐒𝐀𝐅𝐄𝐓𝐘 𝐏𝐑𝐎𝐓𝐄𝐂𝐓𝐈𝐎𝐍 — Anti-leakage, overheat and surge safeguards combine with separated water-electricity construction for dependable operation. Requires 240V, 2 x 40A breakers and 2 sets of 8 AWG wire; professional installation is recommended.
✓𝐏𝐑𝐄𝐂𝐈𝐒𝐄 𝐃𝐈𝐆𝐈𝐓𝐀𝐋 𝐓𝐄𝐌𝐏𝐄𝐑𝐀𝐓𝐔𝐑𝐄 𝐂𝐎𝐍𝐓𝐑𝐎𝐋 — Set the water temperature from 86°F to 131°F in 1°F increments on the LED display. This electric water heater Built-in memory restores your preferred setting after a power outage.
⚙️ Specifications
Brand
APUS
Power Source
Breaker：2 x 40 AMP，Cable Required：2 set of 8 AWG， Hard Wiring Required
Product Dimensions
11.42"W x 13.7"H
Special Feature
24/7 Customer Service and Warranty, Demand Hot Water, High Efficiency, Separation of Water and Electricity, ±1°F Stable Temperature Control
Color
Gray
Special Features
24/7 Customer Service and Warranty, Demand Hot Water, High Efficiency, Separation of Water and Electricity, ±1°F Stable Temperature Control
Wattage
18000 watts
Voltage
240 volts
Maximum Temperature
131 °F
Heat Output
18000 watts
Efficiency
99%
