Bradford White RE380T6 Manual page 13

Water Connections continued-
Lowboy Models (See Figures 2A & 2B)
The hot and cold w ater connections are identified on the top of the
w ater heater (See figure 2A). For bottom inlet models (-503 models), the
cold w ater inlet is located on the side of the drain valve (see figure 2B).
Connect the hot and cold w ater lines to the installed nipples using
unions. Install a listed temperature-pressure relief valve in the opening
on the side of the w ater heater.
Figure 1A (Top Inlet Models)
Figure 2B (Bottom Inlet Models)
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