Columbia CSC SERIES Installation, Operation & Maintenance Manual page 21

VENTING INSTRUCTIONS
Figure 2 - Horizontal Vent Piping (Typical Installation)
Notes:
• Condensate tee/drain is only needed when horizontal vent lengths exceed 10 feet.
• Insert vent pipe in boiler venter outlet (vent adapter), apply silicone completely around edge of
outlet and tighten clamp.
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