User Guide

ManualsBrandsAO Smith ManualsPlumbing Supplies120,000 BTU Condensing Ultra-Low NOx Indoor Tankless Water Heater (LP)

15 Page

Installaon

Installaon Manual

Two-pipe,direct-vent Singlepipewithroom-airintake

Terminations

Wall

Hanger

Hanger

Roof

Roof flashing

Fire stop

Termination

Wall

Hanger

Roof flashing

Fire stop

Roof

Refertopages17and19forclearanceinformation

Examplesofinstallaonof3inch&4inchvent