Tankless Water Heater Natural Gas, 4.21 GPM 16L Indoor Instant Hot Water Heater with Digital Fahrenheit Display Multi-Protection Constant Temperature

Tankless Water Heater Natural Gas, 4.21 GPM 16L Indoor Instant Hot Water Heater with Digital Fahrenheit Display Multi-Protection Constant Temperature

【Tankless Water Heater】- Natural Gas Tankless Water Heater with Steady Temperature Control & Multiple Safety Protections (Flame Failure Device, Anti-Freezing Protection, Overheating Protection). Only 3.6PSI water pressure required, outputs 4.23 gallons of hot water per minute, maximum temperature raise up to 75°C. Applicable exclusively to Natural Gas (LNG). 【Efficient & Energy Saving】- The 4.23 GPM Instant Natural Gas Water Heater features a maximum power output of 85,300 BTU/hour, providing on-demand hot water for 2-3 points of simultaneous water supply to meet bathroom and kitchen hot water demand. This Natural Gas Water Heater’s heat exchanger and main burner are designed with advanced combustion technology, which effectively decreases gas consumption and reduces burning noise. 【Quality Material】- Our Natural Gas Water Heater has a tempered glass panel, which offers good high-temperature and corrosion resistance—ideal for humid indoor areas like bathrooms. It also comes with a built-in oxygen-free copper water tank that reduces heat loss (keeping hot water warm longer) and extends the heater’s service life. Plus, it’s equipped with an LED smart digital display, so you can easily adjust the temperature between 38°C - 75°C for different needs, like showers or washing dishes. 【Easy Assemble and Use】- This water heater is applied with standard 1/2" NPT water fittings and gas inlet, and comes with a 2.4" horizontal vent pipe for quick installation. Note: For normal operation, this product must be installed with proper ventilation and equipped with a smoke exhaust pipe. 【Widely Application】- Compared to tank water heaters, it saves over 50% of available space, and is suitable for both bathroom and kitchen hot water demand. It is great for indoor installation in homes, small cabins and remote apartments, and there is no need to install an expansion tank. Note: In cold weather, if the water heater is not used for a long time, it is necessary to open the pressure relief valve to drain the residual water inside the water heater. 【Tankless Water Heater】- Natural Gas Tankless Water Heater with Steady Temperature Control & Multiple Safety Protections (Flame Failure Device, Anti-Freezing Protection, Overheating Protection). Only 3.6PSI water pressure required, outputs 4.23 gallons of hot water per minute, maximum temperature raise up to 75°C. Applicable exclusively to Natural Gas (LNG).