Rinnai Demand Duo Spec Sheet - Web thank you for purchasing rinnai’s demand duo™ residential hybrid water heating system. This manual provides information on the installation, operation, and maintenance of rinnai’s demand duo™ residential hybrid water heating system. Now with more than 2x the warranty of most traditional tanks and new features that simplify installation and optimize performance. 80 gallons (303 l) first hour delivery (100°f rise): Web the next generation in hybrid technology. Read this manual completely before installing or operating the system. Simple to install and keeps pace with an establishment’s hot water needs. .92 (ruc98i) temperature range f (c): 259 gallons (980 l) rlx94i: Plus, with two tankless units delivering 398 btus as the heat source, the system greatly reduces thermal stress on the tank, prolonging its life.
251 gallons (950l) direct vent options. This manual provides information on the installation, operation, and maintenance of rinnai’s demand duo™ residential hybrid water heating system. Web demand duo™ residential hybrid water heating system 199,000 btu/h uef: .92 (ruc98i) temperature range f (c): Web the next generation in hybrid technology. Web thank you for purchasing rinnai’s demand duo™ residential hybrid water heating system. Web what is a demand duo? 119 gallons (450 l) first hour delivery (100°f rise): Plus, with two tankless units delivering 398 btus as the heat source, the system greatly reduces thermal stress on the tank, prolonging its life. Read this manual completely before installing or operating the system. 80 gallons (303 l) first hour delivery (100°f rise): 259 gallons (980 l) rlx94i: Now with more than 2x the warranty of most traditional tanks and new features that simplify installation and optimize performance. Simple to install and keeps pace with an establishment’s hot water needs.