Safe Installation, Use And Service - A.O. Smith NW 37-670 Instruction Manual

Your safety and the safety of others is extremely important in the installation, use, and servicing of this boiler.
Many safety-related messages and instructions have been provided in this manual and on your own boiler to warn you and others of
a potential injury hazard. Read and obey all safety messages and instructions throughout this manual. It is very important that the
meaning of each safety message is understood by you and others who install, use, or service this boiler.
all safety messages will generally tell you about the type of hazard, what can happen if you do not follow the safety
message, and how to avoid the risk of injury.
the california safe drinking water and toxic enforcement act requires the Governor of california to publish a list of
substances known to the state of california to cause cancer, birth defects, or other reproductive harm, and requires
businesses to warn of potential exposure to such substances.
this product contains a chemical known to the state of california to cause cancer, birth defects, or other reproductive
harm. this appliance can cause low level exposure to some of the substances listed.
• Qualified Installer or Service Agency:
Installation and service of this boiler requires ability equivalent to that of a Qualified Agency (as defined by ANSI below) in the field
involved. Installation skills such as plumbing and electrical supply are required in addition to electrical testing skills when performing
service.
• ANSI Z223.1 2006 Sec. 3.3.83:
"Qualified Agency" - "Any individual, firm, corporation or company that either in person or through a representative is engaged in and is
responsible for (a) the installation, testing or replacement of gas piping or (b) the connection, installation, testing, repair or servicing of
appliances and equipment; that is experienced in such work; that is familiar with all precautions required; and that has complied with all
the requirements of the authority having jurisdiction."

safe InstallatIon, use and serVIce

This is the safety alert symbol. It is used to alert
you to potential personal injury hazards. Obey all
safety messages that follow this symbol to avoid
possible injury or death.
danGer indicates an imminently hazardous
danGer
situation which, if not avoided, will result in
death or injury.
warnInG indicates a potentially hazardous
warnInG
situation which, if not avoided, could result in
death or injury.
cautIon indicates a potentially hazardous
cautIon
situation which, if not avoided, could result in
minor or moderate injury.
cautIon used without the safety alert symbol
indicates a potentially hazardous situation
cautIon
which, if not avoided, could result in property
damage.
IMportant defInItIons
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