【Exceptional Temperature Stability】Enjoy steady hot water from every faucet—even with multiple taps running at once. This indoor natural gas tankless water heater system keeps the temperature constant regardless of changes in water pressure or weather. Plus, hot water restarts instantly after turning the tap back on—no waiting, no fluctuations. 【Precision Temperature Control (±0.5°F)】Our natural gas water heater features cutting-edge flow sensors and a high-speed smart chip that performs thousands of calculations per second. This ensures water temperature stays within ±0.5°F of your setting—providing unmatched comfort and consistency. 【Compact, Space-Saving Design】Measuring just 18.5" H x 12.2" W x 6.38" D, this compact CG422NG indoor propane tankless water heater saves over 200% more space than traditional tank water heaters and 35% more than most other tankless brands. Perfect for apartments, small homes, or tight spaces like cabinets and utility closets. 【Ultra-Quiet Operation】This tankless natural gas water heater features cutting-edge AI-powered multi-layer noise reduction and multi-source isolation technology, making it significantly quieter than most other tankless models on the market. The intelligent system continuously minimizes sound for a peaceful, comfortable home environment—perfect for apartments, small homes, and open-concept living spaces. 【Powerful Performance for Multi-Point Use】With 102,000 BTU of heating power and a 4.22 GPM flow rate, this on demand hot water heater natural gas can easily supply hot water to two showers and two kitchen faucet simultaneously. Ideal for households of 3–4 people, with no risk of sudden temperature drops during use. 【Built-In Safety Features】Enjoy peace of mind with multiple built-in protection systems, including: Anti-freeze protection, Overheat protection, Dry burn protection, High water pressure protection, Low water flow protection, Flame failure and flame-out protection. 【Easy Installation】Features standard 3” vent pipe, 3/4" NPT water outlet & inlet, and a 1/2” NPT gas inlet for quick, convenient installation. For best performance, we recommend using the GASLAND GSVP70T venting kit or the GSWT300 wall thimble. 【Sleek Tempered Glass Design】This tankless propane water heater features a stylish tempered glass front that’s built to last—resistant to high heat and everyday impact. The smooth surface is easy to clean with just a soft cloth. To preserve its appearance, avoid using corrosive cleaning agents. A perfect combination of modern design and practical durability. 【Long-Lasting Performance】Built to last up to 5 years, this natural gas tankless hot water heater features an oxygen-free copper heat exchanger for superior thermal conductivity and corrosion resistance. Heats water in just 3 seconds with up to 96.9% efficiency—delivering fast, reliable hot water whenever you need it. 【Customer Support & Warranty】We stand by our products with a comprehensive warranty. If your tankless water heater natural gas stops working within the first year, we’ll replace it for free. Our support team is always ready to assist via phone, email, or message—see the manual for contact details. Unlimited Hot Water On Demand
Unlike traditional tank water heaters, our tankless gas water heater provides unlimited hot water whenever you need it. No more waiting for the water to reheat — enjoy continuous hot water for showers, laundry, or washing dishes without interruption.

Energy Efficient & Eco-Friendly
With an industry-leading UEF of 0.8, our tankless water heater is 34% more energy-efficient than a 50-gallon tank water heater, whose UEF is only 0.6. Save on your energy bill while reducing NOx greenhouse gas emissions by 65% compared to a 50-gallon gas tank. It’s better for the environment and your wallet!

Space-Saving Design & Easy Installation
Say goodbye to bulky water tanks! Our compact, suitcase-sized design fits easily into small spaces like closets, basements, or laundry rooms. Enjoy more room for your home while our easy-to-install wall-mounted unit provides on-demand hot water wherever you need it.

Long-Lasting Durability & Reliability
Built to last, our tankless water heater has a lifespan twice that of traditional tank heaters. With fewer parts and no tank to leak, it’s easier to maintain and repair. Plus, it’s designed for year-round reliability with built-in safety features like overheat protection, flame-out protection, and freeze protection.

U.S.-Based Customer Support & Warranty
We stand behind our products with a comprehensive warranty. If your water heater stops working within a year, we’ll replace it for free. Our dedicated U.S.-based customer support team is always ready to assist you with any questions.