Bradford-white D-4-504S6FSX User Manual download pdf (Page 16)

Installation (Water Connections) continued-

WARNING

Hydrogen gas can be produced in an operating water heater that has not had

water drawn from the tank for a long period of time (generally two weeks or

more). Hydrogen gas is extremely flammable. To prevent the possibility of

injury under these conditions, we recommend the hot water faucet to be open

for several minutes at the kitchen sink before you use any electrical appliance,

which is connected to the hot water system. If hydrogen is present, there will

be an unusual sound, such as air escaping through the pipes as hot water

begins to flow. Do not smoke or have open flame near the faucet at the time it

is open.

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 water temperatures, the potential for scald injury

increases. 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) More than 5 minutes

125°F (52°C) 1½ to 2 minutes

130°F (54°C) About 30 seconds

135°F (57°C) About 10 seconds

140°F (60°C) Less than 5 seconds

145°F (63°C) Less than 3 seconds

150°F (66°C) About 1½ seconds

155°F (68°C) About 1 second

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Bradford-white D-4-504S6FSX User Manual Page 16