16L Natural Gas Tankless Water Heater, Constant Temp Indoor Water Heater | Natural gas energy-saving design, LED digital screen, full accessory set for whole-house supply

Large Capacity & Instant On-Demand Hot Water: Per minute flow rate provides ample hot water for simultaneous use in multiple faucets, ideal for whole-house applications including showers, baths, kitchen sinks and laundry, eliminating the hassle of waiting for hot water Precise Constant Temperature Control: Advanced thermostat system maintains water temperature within ±1°F accuracy, with a clear digital display for easy adjustment, preventing sudden temperature fluctuations or cold water shocks during showers for a comfortable bathing experience Natural Gas Powered & High Energy Efficiency: Designed for natural gas supply, features a high-efficiency burner system that maximizes combustion efficiency, reducing gas consumption and lowering utility bills compared to traditional tank water heaters, eco-friendly and cost-effective Complete Safety Protection System: Built with multiple safety mechanisms including flame failure protection, overheat protection, anti-dry burning, pressure relief valve and anti-freeze protection, automatically shuts off the gas supply when abnormal conditions are detected, ensuring safe use for the whole family Indoor Installation with Full Accessory Kit: Comes with all necessary installation accessories including exhaust pipes, gas hoses and water connection hoses, suitable for indoor wall-mounted installation in bathrooms, kitchens and utility rooms, with compact design saving space and easy to install with included hardware