Roberts Gorden Linear Heater - Manual (Page 24)

BH-S ERIES I NSTALLATION , O PERATION AND S ERVICE M ANUAL
38
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.