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5.11 Condensate Piping
• Use materials acceptable to authority having
jurisdiction. In absence of such authority:
• USA - PVC or CPVC per ASTM D1785/D2845
Cement or primer per ASME D2564 or F493.
• No external trap needed.
• Connect condensate hose, hose clamps, and
• Connect condensate piping to 3/4" PVC as shown.
• Slope condensate drain pipe minimum 1/4" per foot
(21 mm/m) away from boiler.
• Support condensate pipe to eliminate any sages.
•
use with condensing boiler, if boiler located below
disposal point.
•
Condensate from Boiler is slightly acidic and may
• Field source condensate neutralizing kit as
required by authority having jurisdiction or for
environmentally friendly condensate disposal.
FIGURE 5-26 - Condensate Drain
Do not glue cap
on if used for
dust protection.
End must be left
open
Do not place in
environment with
temperatures
below freezing.
Condensate
outlet will block
if condensate
freezes.
NOTICE
Manufacturer requires an air vent be used to
prevent condensate line vacuum lock.
5 - COMBUSTION AIR AND VENT PIPING
3/4 " PVC
240013375 REV A, [07/01/2021]
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