Chimney KB3
A 3-hole chimney is a construction system that includes three separate smoke channels (flues) within a single chimney structure.
When a 3-hole chimney is needed
• In homes with more than 2 heat sources (stove, fireplace, boiler, etc.)
• When different functions are used: one for the stove, one for the water heater and one for ventilation
• In cases where backup or zone separation is required



