About this item

• INSTANT HOT WATER FOR LARGER HOMES:This indoor natural gas tankless water heater delivers instant hot water on demand with a powerful 4.3 GPM flow rate and 102,000 BTU heating capacity, providing endless hot water for 3–4 fixtures simultaneously. Ideal for showers, kitchens, and bathrooms in larger residential homes.
• INTELLIGENT CONSTANT TEMPERATURE CONTROL:Equipped with advanced intelligent temperature regulation and Constant Temperature PLUS technology, this natural gas tankless water heater automatically adjusts the air-fuel ratio to maintain stable water temperature within ±1℉, even when multiple outlets are used at the same time, helping prevent sudden temperature fluctuations and scalding.
• HIGH-EFFICIENCY PURE COPPER HEAT EXCHANGER:Constructed with a 100% pure copper heat exchanger, this indoor natural gas water heater delivers up to 95% thermal efficiency, reduces heat loss, provides hot water within seconds, and ensures reliable performance with long service life.
• MULTIPLE SAFETY & ANTI-FREEZE PROTECTIONS FOR INDOOR USE:Designed for indoor installation, this tankless gas water heater features overheat protection, flame failure protection, anti-dry combustion, dual gas solenoid valves, leak detection, and automatic freeze protection with built-in heating modules that activate below 39°F (4°C) for safe winter operation.
• COMPACT WALL-MOUNTED DESIGN & EASY INSTALLATION:Featuring a compact, space-saving wall-mounted design (21.3″H × 13.7″W × 6.8″D), this indoor tankless water heater supports standard 3/4″ NPT water and gas connections, 3″ vent, and a UL-approved 120V power supply, making it suitable for apartments, condos, and residential homes without major modifications.