Bradford-White Corp Water Heater 238-42498-00J REV 10/06 Manual De Usuario

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Installation (Water Connections) continued-
 
 
   
WARNING
 
FAILURE TO INSTALL AND MAINTAIN A NEW, LISTED 3/4” X 3/4” 
TEMPERATURE AND PRESSURE RELIEF VALVE WILL RELEASE 
THE MANUFACTURER FROM ANY CLAIM, WHICH MIGHT RESULT 
FROM EXCESSIVE TEMPERATURES AND PRESSURES. 
 
If this water heater is installed in a closed water supply system, such as the 
one having a back-flow preventer in the cold water supply, provisions shall 
be made to control thermal expansion.  DO NOT operate this water heater in 
a closed system without provisions for controlling thermal expansion.  Your 
water supplier or local plumbing inspector should be contacted on how to 
control this situation. 
 
After installation of the water lines, open the main water supply valve and fill 
the water heater.  While the water heater is filling, open several hot water 
faucets to allow air to escape from the water system.  When a steady stream 
of water flows through the faucets, close them and check all water 
connections for possible leaks.  NEVER OPERATE THE WATER HEATER 
WITHOUT FIRST BEING CERTAIN IT IS FILLED WITH WATER. 
 
 
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 clothing washers 
may require increased temperature water.  By setting the thermostat on this 
water heater to obtain the 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. 
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