Bradford White LE110U3 Installation & Operating Instruction Manual page 10

Utility Models (See Figure 2)
Utility models are supplied with inlet and outlet nipples located in a plastic
bag attached to the side of the water heater. The hot and cold water
connections are identified on the side of the water heater. Apply appropriate
amount of thread sealant to the provided nipples and install them into the
side of the tank. For 20 gallon utility models, install the supplied anode/nipple
combination at the HOT outlet location. Connect the hot and cold water lines
to the installed nipples using unions. Install a listed temperature-pressure
relief valve in the opening on the side of the water heater. Install a vacuum
relief anti-siphon device in the cold water inlet line.
Figure 2
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