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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 coupling to
• Connect condensate piping to 3/4" PVC for 125/150 as
shown.
• Slope condensate drain pipe minimum 1/4" per foot
(21 mm/m) away from boiler.
• Support condensate pipe to eliminate any sages.
•
condensing boiler, if boiler located below disposal point.
•
Condensate from Boiler is slightly acidic and may cause
•
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
condensate line vacuum lock.
5 - COMBUSTION AIR AND VENT PIPING
3/4 " PVC
240012564 REV A, [05/15/2019]
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