Aiko CTH3-200 Manuale Utente

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CTH3-S
ERIES
 I
NSTALLATION
, O
PERATION
 
AND
 S
ERVICE
 M
ANUAL
34 of 71
8.10 Common Vertical Venting 
Requirements:
• Maximum of four heaters can be commonly vented 
through the roof.
• Heaters must be of the same BTU output.
• Heaters must be controlled by a common 
thermostat.
• Connections to a common stack must be 
positioned to avoid direct opposition between 
streams of combustion gases.