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
if air for combustion contains certain chemical vapors. Spray can



compounds which are potentially corrosive.
GasPiping

model rating plate. The inlet gas pressure must not exceed

inlet gas pressure listed on the rating plate is for the purpose
of input adjustment. If the gas control valve is subjected to



If the main gas line shut-off serving all gas appliances is


is complete.
A gas line of sufficient size must be run to the water heater.
Consult the current edition of National Fuel Gas Code
ANSI Z223.1/NFPA 54 and your gas supplier concerning
pipe size.

 

 
help prevent dirt and foreign materials from entering the gas
control valve.
 
shut off valve and control valve to permit servicing of the unit.



The minimum inlet gas pressure shown on the rating plate is that

Water heaters covered in this manual have been tested and





the National Fuel Gas Code ANSI Z223.1/NFPA 54. Contact
your local gas supplier for further information.



producing carbon monoxide gas in excess of the safe limits. This
could result in serious injury or death. Contact your local gas supplier


placing the appliance in operation.