Rinnai RHFE-1004FA - Manual (Page 54)

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■ TYPES COMPATIBLE WITH EXTENSION SET
RHFE-1004FA
INSTALLING AN EXTENSION KIT
Installing an extension kit requires construction of an air line and the exhaust line. The air line is connected
between the Air Supply Elbow at the rear of the heater and the air inlet port on the Flue pipe.
Similarly, the exhaust line is connected between the joint pipe at the rear of the heater, and the exhaust
port on the Flue pipe.
Caution: Check to see there is no debris in pipe or hose.
■ HOW TO INSTALL
MODEL:RHFE-1004FA
Example:Using 2 sets of extension set and 1 bent set. Example:Using 80 inches slide pipe set.