Bradford White PDX2-75T6FSX - Manual (Page 13)

13
Venting continued-
2. In order to prevent condensate from draining back into the blower
(vertical or horizontal runs), a drain tee and condensate trap can be
installed in the horizontal vent as close as practical to the blower vent
connection (see Figure 3). The condensate disposal tube should be
installed to drain any accumulated condensate away from the water
heater and to a suitable drain.
Figure 3