Flue Installation (R98LSi, R98LSi-ASME)

Horizontal with Concentric Termination

SLOPE INTAKE AND EXHAUST

TOWARD OUTSIDE TERMINATION

MINIMUM 1/4" PER FOOT

Vertical Terminations

The air intake requires a return bend or two 90º elbows to prevent entry of rain.

The vent termination and air intake must be in the same pressure zone.

VB Series Indoor LS Manual

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Rinnai RL75I, RL94I installation manual Horizontal with Concentric Termination, Vertical Terminations