Installation Manual
Rinnai Tankless Rack System (TRS) Installation Manual     13 
Rack Frame - Specifications  
Frame Material 
14 Gauge Hot Rolled Steel 1.5”  
Square Tube 
16 Gauge Stainless Steel 1.5”  
Square Tube 
Frame Finish 
Powder Coat  Stainless 
Color 
Gray  Stainless 
Water & Gas Connections      
Hot Water Trunk Line Diameter  2"  
Cold Water Trunk Line Diameter  2"  
Hot Water Trunk Line Material  Rigid Copper  
Cold Water Trunk Line Material  Rigid Copper  
Water Trunk Connection Type  2" PIPE  
Gas Trunk Line Diameter  1-1/4"  
Gas Trunk Connection Type  1-1/4” MNPT  
Gas Trunk Line Material  Sch 40 Steel  
Gas Branch Line Material  PVC Over CSST  
Electric Requirements 
Voltage  AC 120 Volts - 60 Hz  
Maximum Current (Amperes)  8  
BTU and Flow Rates for RU199i, RU199e (NG/LP) 
Number of Tankless Water Heaters  2 
Flow rate @ 70°F rise (gpm)  10.8  
Flow rate @ 100°F rise (gpm)  7.6  
Minimum input rate (Btuh)  15,200  
Maximum input rate (Btuh)  398,000  
TRW02SE 
Model 
TRW02SEi  TRW02SEe 
Water Heater Model 
RU199i (NG/LP)  RU199e (NG/LP) 
Crate Dimensions (HxLxD) - in  66 X 70 X 35 
Weight - Fully Assembled - lbs  170  169 
Weight - Shipping (total) - lbs  391  390 
SE Series 2-Unit Wall-Hanging Frame (Connued) 










