Check the listing for details. FOGATTI Indoor 20L Natural Gas Tankless Water Heater 5.1 GPM 120,000 BTU. Color: White, Condition: Used. Listed at 299.99 USD. FOGATTI Natural Gas Tankless Water Heater, Indoor 5.1 GPM, 120,000 BTU Instant Hot Water Heater, InstaGas Classic 120 Series Item Description Endless Hot Water: FOGATTI tankless water heater gas delivers a high flow rate of 5.1GPM with 120,000 BTU heating power, providing reliable hot water for 3-4 locations simultaneouslyEnergy Efficient: Featuring a copper heat exchanger and micro-flame technology with negative pressure design, this unit reduces gas consumption and noise,saving you on energy bills while ensuring quiet operationSafety & Durability: FOGATTI natural gas tankless water heater has been CSA certified with advanced safety features, including dry combustion protection, overheat protection, Anti-Freeze protection, flame failure protection, and high water pressure protection for peace of mindStable Temperature Control: The built-in chip adjusts heating power 1,000 times per second, maintaining water temperature within ±2°F for a consistently comfortable experienceCompact Design: Measuring 22.76” H x 14.57” W x 7.0” D, it saves over 50% more space compared to traditional tank heaters. you can install it in most corners of your homeEasy Installation: With a 3-inch OD and 3/4" NPT, the venting and piping dimensions for FOGATTI gas tankless water heater are compatible with most households. Professional installation is recommended for best performance What are the advantages of a tankless water heater? Energy saving and money savingLonger service lifeLess space occupationContinuous and endless hot water 1. Energy saving and money saving2. Longer service life3. Less space occupation4. Continuous and endless hot wate Copyright All Rights Reserved.