User Guide

2 • On-Demand Rack System
SAFETY
IMPORTANT SAFETY INFORMATION
WARNING! If the informa on in these instruc ons is not followed exactly, a fi re or explosion may result causing property
damage, personal injury or death. Do not store or use gasoline or other fl ammable vapors and liquids in the vicinity of this or any
other appliance.
An odorant is added by the gas supplier to the gas used by this water heater. This odorant may fade over an extended period of
 me. Do not depend upon this odorant as an indica on of leaking gas. We recommend installing a fuel gas and carbon monoxide
detector.
Installa on includes the connec on of gas lines, water lines, valves and electricity. Knowledge of applicable na onal, state, and
local codes is necessary. Therefore, installa on must be performed only by qualifi ed service professionals.
Read and follow all instruc ons, cau ons, and warnings in the water heaters’ Installa on Manuals/Owner’s Guides.
Read and follow all safety messages and instruc ons in this manual.
This is the safety alert symbol. It is used to alert you to
poten al physical injury hazards. Obey all safety mes-
sages that follow this symbol to avoid possible property
damage, serious injury or death. Do not remove any
permanent instruc ons, labels, or the data plate from either the outside of
the water heater or on the inside of the access panels. Keep this manual
near the water heater.
DANGER
DANGER indicates hazardous situa-
 on that, if not avoided, will result
in death or serious injury.
WARNING
WARNING indicates a hazardous
situa on that, if not avoided, could
result in death or serious injury.
CAUTION
CAUTION indicates a hazardous
situa on that, if not avoided, could
result in minor or moderate injury.
NOTICE
NOTICE indicates prac ces not
related to physical injury.