Kenmore 153.338074 Water Heater User Manual


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 
area as the free area of the openings to which they connect. The
minimum short side dimension of rectangular air ducts should

FIGURE 14A.
 

screens protecting openings. Screens used should not be


calculating the size opening required to provide the free area

assumed that wood louvers will be 20-25 percent free area
and metal louvers and grilles will have 60-75 percent free


automatically during equipment operation.
 


special attention to avoid unsatisfactory operation of installed
gas utilization equipment.
WaterPiping

Water heaters are intended to produce hot water. Water heated to



to be permanently injured by hot water than others. These include


or if there is a local code or state law requiring a certain temperature

In addition to using the lowest possible temperature setting that

should be used at the hot water taps used by these people or at
the water heater. Mixing valves are available at plumbing supply or

of use temperature by mixing cold and hot water are also available.


Temperature Regulation section in this manual.
FIGURE 14B.
This water heater should not be connected to any heating
systems
appliance.
All piping components connected to this unit for space heating
applications should be suitable for use with potable water.

not be introduced into this system.
 line



problems. When these devices are not equipped with an internal



expansion of heated water.

and increases the pressure of the water system. If the relieving

The
temperature-pressurereliefvalveisnotintendedforthe
constantreliefofthermalexpansion. This is an unacceptable
condition and must be corrected. It is recommended that any
devices installed which could create a closed system have a

pressure built by thermal expansion in the water system. Refer
to the Thermal Expansion section under Troubleshooting Guide
or contact local plumbing authority or local Sears Service Center
on how to control this situation.
NOTE: Toprotectagainstuntimelycorrosionofhotandcold
waterttings,itisstronglyrecommendedthatdi-electric
unionsorcouplingsbeinstalledonthiswaterheaterwhen
connectedtocopperpipe.
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