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6.8 Multiple Boiler Venting Installation
• Multiple boiler application boiler shall be vented
individually.
• Follow guidelines as described in Figure 6-1 through
6-7.
• Plastic vent pipe from vent connector must be readily
accessible for visual inspection.
6.9 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.
• Canada - CSA or ULC certified PVC/CPVC pipe, fittings
and cement.
• Attach condensate trap provided with boiler and field
sourced piping to condensate drain at bottom of left or
right side of boiler. See figure 6-17.
• Slope condensate drain pipe minimum 1/4" per foot
(21mm/m) away from boiler.
• Use field 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.
6 - COMBUSTION AIR AND VENT PIPING
28
FIGURE 6-17 Condensate Piping
Condensate
outlet option
may use either
Do not place in
side of boiler
environment with
temperatures below
freezing. Condensate
outlet will block if
condensate freezes.
Do not glue
cap on if
used for dust
protection.
End must be
left open.
Condensate Tee
(Field Installed) on
condensate drain
pipe
P/N 240010943, Rev. C [09/07/2016]
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