Tankless Water Heater Natural Gas,4.21GPM 16L Indoor,Instant Hot Gas Water Heater,Constant Natural Water Heater with Fahrenheit Digital Display,Multi-Protection (Black)Tankless Water Heater- Natural Gas water heater tankless Steady Steady Temperature Control with more safety protection such as flame failure device,anti-freezing protection,over heating protection,Just need 3.6PSI of water pressure,4.21gallons of hot water can be output per minute.The maximum temperature raise is 167F,Applicable only Natural GasLNG)Efficient & Energey Saving-The 4.21 GPM Instant Natural Gas Water Heater ,Maximum power output 68000btu/hour,on-demand hot water for 2-3 points simultaneous water supply for bathroom,kitchen hot water demand Natural Gas Water Heater exchanger and main burner are desinged with advanced combustion technology to decrease gas consumption and burning noise.Quality Material-This of ours Water Heater Crafted from stainless steel, our Propane water heater exhibits high temperature resistance and corrosion resistance. It also features a built-in oxygen-free copper water tank, reduce heat loss ensuring a prolonged service life.with with LED smartdigital display effortlessly adjust the temperature between 86F-167F according to your preferences.Easy Assemble and Use-Applied with standard 1/2 NPT water fitting and gas inlet, comes with 2.5 horizontal vent pipe for quick installation.Note: For normal operation, this product must be installed with proper ventilation and a smoke exhaust pipe.Widely Application -Save over 50% of available space compared to tank water heater.for both bathroom and kitchen hot water demand. great for home,small cabins and remote apartments indoor installation. without the 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 in the water heater.Wattage19 KWProduct informationTechnical DetailsBrandforimoProduct Dimensions14.37W x 4.72HSpecial FeatureFlame Failure ProtectionColorBlackWattage19.98 KWMaximum Flow Rate4.21 Gallons Per MinuteMaximum Temperature167 Degrees FahrenheitEfficiencyHigher than conventional modelsStyleNatural Gas 16LMounting TypeWallIs ElectricNoManufacturerforimoUPC717012462848Item Weight22.9 poundsCountry of OriginChinaItem model numberTankless Water Heater-01Special FeaturesFlame Failure ProtectionIncluded ComponentsTankless Water HeaterBatteries Included?NoBatteries Required?No