GEN 3 Direct Vent 10.3 GPM 199,000 BTU -Indoor Propane Tankless Water Heater Smart Wi-Fi

• Professional 10.3 GPM Propane Tankless Water Heater: Delivering an extraordinary 10.3 GPM flow and 199,000 BTU, this GEN 3 tankless water heater easily supports large households running 4-7 fixtures simultaneously without temperature drops and delivers high energy efficiency by only heating water when you need it.
• Precision 6-Stage Modulation: Advanced 6-stage propane gas modulation technology maintains water temperature within a strict ±1°F accuracy, completely eliminating sudden temperature fluctuations during your shower.
• Sealed Direct Vent System: Features a closed combustion design that draws 100% external air for combustion, ensuring your indoor air quality is preserved perfectly without affecting your home's environment.
• Premium Commercial Construction: Built for ultimate durability with industrial-grade materials, including a phosphorous-deoxidized copper heat exchanger and a corrosion-resistant stainless steel combustion chamber for long-lasting reliability with minimal maintenance.
• Upgrade Smart Wi-Fi & App Management: Control your heater from anywhere. Adjust temperature settings, create custom heating schedules, receive maintenance alerts, and track energy usage directly from your smartphone.
• 16+ Safety Mechanisms & Anti-Freeze: Fully equipped with over 16 integrated safety features including -13°F operational freeze protection, anti-dry firing, flame failure detection, exhaust blockage monitoring, and automatic shutdown systems.

Professional-Grade GEN 3 Hot Water Solution

Upgrade to the ultimate home comfort with the MIZUDO GEN 3 Indoor Direct Vent Propane Tankless Water Heater. Engineered for demanding households, this powerful 199,000 BTU unit delivers a massive 10.3 Gallons Per Minute (GPM), easily supplying continuous, endless hot water to 4-7 fixtures at the exact same time. It's the economically smart choice that only heats water when you need it.

Premium Build & Unmatched Precision

Reliability meets advanced technology. Inside, the unit boasts a high-efficiency phosphorous-deoxidized copper heat exchanger and a stainless steel combustion chamber for years of dependable service. Combined with our state-of-the-art 6-stage propane gas modulation, you are guaranteed a constant temperature output with an incredible ±1°F accuracy.

Space-Saving Smart Home Integration

Take full control of your energy consumption via our dedicated Wi-Fi mobile application. Despite its massive power, this high-efficiency constant temperature compact unit measures just 24.8" x 15.9" x 10.4"—requiring 50% less space than traditional tank heaters. With standard 120V power and ¾" NPT connections, professional installation is straightforward and clean.

Note: This unit features a sealed direct vent system that draws 100% external air for safe indoor operation. Backed by a 2-year full unit warranty and a 10-year heat exchanger warranty for your peace of mind.

Feature	Specification
Series	GEN 3
Color	Gray
Installation Type	Indoor Direct Vent
Heating Capacity	199,000 BTU
Fuel Type	Liquid Propane (LP)
Max Water Flow Rate	10.3 GPM (Supports 4-7 Fixtures)
Temperature Accuracy	±1°F (via 6-Stage Propane Gas Modulation)
Heat Exchanger Material	Phosphorous-Deoxidized Copper
Combustion Chamber	Stainless Steel
Smart Features	Wi-Fi Enabled / App Control & Scheduling
Safety Protections	16+ Systems (Anti-Dry Fire, Flame Failure, etc.)
Anti-Freeze Protection	Operational down to -13°F
Vent System	Sealed Direct Vent (100% External Air)
Dimensions (W x D x H)	24.8" x 15.9" x 10.4"
Power & Connections	120V / ¾" NPT Water & Propane Gas
Warranty	10-Year Heat Exchanger / 2-Year Full Unit