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6 - COMBUSTION AIR AND VENT PIPING
6.6 Condensate Piping
• Use materials acceptable to authority having jurisdiction.
In absence of such authority:
• PVC or CPVC per ASTM D1785/D2845 Cement or
primer per ASME D2564 or F493.
• Attach PVC tee provided with boiler and fi eld sourced
piping to condensate drain at bottom of boiler. See
fi gure 6-1.
• Slope condensate drain pipe minimum 1/4" per foot
(21mm/m) away from boiler.
• Use fi eld source condensate pump if boiler located
below disposal point.
• Field source condensate neutralizing kit as required
by authority having jurisdiction or for environmentally
friendly condensate disposal.
FIGURE 6-1 Condensate Drain
Condensate Tee
(fi eld installed)
on condensate drain
pipe
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