Rinnai Demand Duo R-Series Installation And Operation Manual page 7

Figure 1
IMPORTANT
The tankless engine is to be used
as a service part only for the
Demand Duo™ R-Series System.
RE is not permitted as a substitute.
REC is not permitted as tankless
only application.
Front Cover
Demand Duo™ R-Series (REC) Installation and Operation Manual
Pump
Intake Filter Exhaust
Connector (IFEC)
(Supplied installed)
Lower Tank
Thermistor
Electric
Conduit
Upper Tank
Thermistor
Dirt Leg
Dirt Leg
Gas Swivel
Gas Flex Line
Flare Nut
Adapter
7