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Water Connections continued-
Hydrogen gas can be produced in a hot water system served by this
water heater that has not been used for a long period of time (generally
two weeks or more). Hydrogen gas is extremely flammable. To reduce
the risk of injury under these conditions, it is recommended that the hot
water faucet be opened for several minutes at the kitchen sink before
using any electrical appliance connected to the hot water system. If
hydrogen is present, there will probably be an unusual sound such as
air escaping through the pipe as the water begins to flow. There should
be no smoking or open flame near the faucet at the time it is open.
INCREASING THE THERMOSTAT SETTING ABOVE THE PRESET
TEMPERATURE MAY CAUSE SEVERE BURNS AND CONSUME
EXCESSIVE ENERGY. HOTTER WATER INCREASES THE RISK OF
SCALD INJURY.
This water heater can deliver scalding temperature water at any faucet
in the system. Be careful whenever using hot water to avoid scalding
injury. Certain appliances, such as dishwashers and automatic clothes
washers, may require increased temperature water. By setting the
thermostat on this water heater to obtain increased temperature water
required by these appliances, you may create the potential for scald
injury. To protect against injury, you
should install an ASSE approved mixing
valve in the water system. This valve
will reduce point of discharge
temperature by mixing cold and hot
water in branch supply lines. Such
valves are available from the
manufacturer of this water heater or a
local plumbing supplier. Please consult
with a plumbing professional.
APPROXIMATE TIME/TEMPERATURE
RELATIONSHIPS IN SCALDS
120°F (49°C)
125°F (52°C)
130°F (54°C)
135°F (57°C)
140°F (60°C)
145°F (63°C)
150°F (66°C)
155°F (68°C)
WARNING
CAUTION
More than 5 minutes
1½ to 2 minutes
About 30 seconds
About 10 seconds
Less than 5 seconds
Less than 3 seconds
About 1½ seconds
About 1 second
8
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