Specifications

12
Servicing should only be performed by a Qualied Service Agent
CONCENTRIC VENTING
Concentric venting allows for a single wall penetration. For multiple water heater installation using this vent
practice any additional vents of this type may be located 12" on centerline to either side of the first vent or
12" on centerline vertically above the first vent.
BTH Concentric Vent for 120 through 300.
BTH Concentric Vent for 400 through 500.