Noritz 40 Gal. 0.5-6.6 Gpm Replacement Tank Liquid Propane Gas Tankless Water Heater Kit

40 Gal. 0.5-6.6 GPM Tank Replacement Liquid Propane Gas Tankless Water Heater Kit Professional Installation Recommended Hot And Cold Water Connections Are Located On Top Of The Unit, Not The Bottom (Like Most Tank Less Heaters); This Positioning Allows The Flexible Water Lines Used By The Previous Tank Heater To Be Quickly And Easily Reconnected To The New Unit Optimizes The Perfect Air/Fuel Ratio Based On Demand For Better Efficiency With Less Moving Parts Greater Resistance To Corrosion And Scale Buildup Than Other Materials, Thereby Boosting System Life Noritz Connect App Is Compatible, Allowing For Wireless Remote Control Of Heater Functions, As Well As Diagnostic And Maintenance Reminders; The Wi-Fi Adapter Is Sold Separately For Smaller Home Applications Flex Venting To Run Through Existing B-Vent Saves Installation Time All Venting Accessories In One Box Isolation Valve Kit Included Full Solution For Direct Tank Replacement This Unit Can Only Be Vented Vertically, It Cannot Be Vented Horizontally Maximum Flow Rate Up To 6.6 Gpm At A 30 Degree Temperature Rise MFG# NRC663-FSV-LP