Rinnai RHFE-431WTA - Manual (Page 60)

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1. How to connect exhaust pipes
To connect the exhaust pipes, fit the male end into the female end and clamp with pipe stopper A to prevent
slipping. The exhaust pipe can be telescoped to the required length; do not cut it.
Female end
Exhaust pipe
Pipe stopper B
Male end
Pipe stopper B
Pipe stopper A
Female end Male end
Exhaust pipe
Fit inside
Pipe stopper A
Fit inside
Connect bent pipe
Female end Male end
■ TYPES COMPATIBLE WITH EXTENSION SET
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
Example:Using 2 sets of extension set and 1 bent set. Example:Using 80 inches slide pipe set.
Vent manifold
(comes with main unit)
Air intake elbow
(comes with main unit)
Pipe stopper A
Pipe stopper B
Pipe stopper A
Bent elbow
Pipe stopper A
Hose joint
Pipe stopper B
Exhaust pipe
Hose joint
Pipe stopper A
Pipe stopper B
Air intake hose
Vent manifold
(comes with main unit)
Air intake elbow
(comes with main unit) Pipe stopper A
Pipe clamp
Pipe stopper B
Pipe clamp
Pipe clamp
Exhaust pipe
Pipe stopper A
40 inch straight pipe
Pipe clamp
Pipe stopper A
Pipe stopper B
Hose joint
Air intake hose
Pipe clamp