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water heaters that are installed
You might live in an area of the country where most of water heaters are placed in the garage. It
is okay to have water heaters in the garage however there are a few important things that you will
need to be aware of. The authority on determining what the criteria are for residential water heater
installation as well as safety is the ICC (International Code Council). The following related
information is taken from the 2009 International Residential Code (IRC) section P2801.6 and
Water heaters having an ignition source will be elevated to ensure that the source of ignition is not
less than 18" above the garage floor. An ignition source may be several things, including things
like an open flame, electrical switch, open resistance heating coils, or even an electrical igniter
unit. Domestic garages have a substantial possibility for volatile liquids, such as gasoline and also
paint thinners that may spill or even leak from their containers. Given that the vapors coming from
these liquids are heavier than air, they concentrate just above floor level, posing an explosion
threat in garages with a water heater. home inspection rochester ny
Numerous electric water heater thermostats have enclosed contacts, yet they are just not sealed
gas tight. As a result, if an electric water heater with an ignition source located less than 18" from
the bottom of the unit, it is required that the unit be elevated so the ignition source (thermostat) is
at least 18" above the garage floor. Electric water heaters having every switching controls located
above 18" from the bottom of the water heater are not mandated to be elevated.
Gas-fired appliances have to meet the elevation requirement for elevation above the garage floor,
but have an exception so as to enable gas-fired appliances using flammable vapor ignition
resistant (FVIR) design to be installed without elevating the unit.
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