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MIZUDO Natural Gas Tankless Water Heater Outdoor Installation Max 5.1 GPM 120,000 BTU CSA Certified Constant Temp High Power On Demand Hot Water Heater for Big Family Whole House, Gen 2
✅ In stock
F
Grade
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Oct 9, 2026 7:05 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.
- ➡️Pricing has held fairly steady, with no strong push in either direction.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
0/22
Market Standing
0/20
Deal Strength
0/20
Momentum
0/10
📝 Product Overview
🏪 Sold by
Mizudo Home Comfort Direct
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓Upgraded Temp Control: Mizudo Gen 2 outdoor gas tankless water heater will self-modulate water temp by the interaction between the gas proportional valve, water volume servo and built-in chip to ensure that the temperature difference is within ±1℉, provide you with a constant temperature and comfortable bathing experience
✓Endless Huge Hot Water: This outdoor natural gas tankless water heater delivers up to 5.1 GPM at 120000 BTU, ideal for runninQuality & Compliance: All our tankless water heaters gas outdoor are UL listed and CSA certified meeting all US safety codes. We also provide 2-year support for the whole unit and 5-year support for the oxygen-free copper heat exchangerg 3 showers simultaneously in big house with 2-3 bathrooms; Only sonsumes gas when during using, no standby waste, will save up to 20% gas bills
✓Safety Protections: This gas tankless hot water heaters is provided with windproof, waterproof and protections of leakage, overheate, anti-freeze, dry-combution and so on. Extend service life and improve safety, prevents 80% of common tankless failures
✓Product Information: The gas tankless water heater is 22.76 x 14.57 x 7.0 inches, support outdoor installation only; Natural gas powered and wire remote control. Uses 120V power and 3/4" NPT connectors, compatible with most US homes. UEF＞0.81 exceeds DOE baseline
✓Quality & Compliance: All our tankless water heaters gas outdoor are UL listed and CSA certified meeting all US safety codes. We also provide 2-year support for the whole unit and 5-year support for the oxygen-free copper heat exchanger
⚙️ Specifications
Brand
MIZUDO
Capacity
5.1 gallons
Power Source
Natural Gas
Product Dimensions
14.56"W x 22.83"H
Special Feature
2 Years Support for Whole Unit, 5 Years Support for Heat Exchanger, Anti-Freezing Protection, CSA Certificated, Upgraded Temp Control
Special Features
2 Years Support for Whole Unit, 5 Years Support for Heat Exchanger, Anti-Freezing Protection, CSA Certificated, Upgraded Temp Control
Wattage
43 watts
Voltage
120 volts
Flow Rate
5.1 gpm
Maximum Temperature
149 °F
Heat Output
120000 btu_per_hour_per_foot_per_fahrenheit
