Venting - Valor Retrofire F24BN Installation And Owner's Manual

Vent Materials
Use a 3" diameter aluminium flex liner approved for gas venting when installing as an insert (existing chimneys).
Use a 4" diameter type "B" vent when installing with a RA24ZC Zero Clearance Kit. See separate instructions packaged
with the Zero Clearance Kit.
The minimum vent lengths are shown below. For other allowable configurations, refer to the venting tables in the National
Fuel Gas Code Z223.1 or the Natural Gas and Propane Installation Code B149.1.
WARNING
Failure to position the parts in accordance with
these diagrams or failure to use only parts
specifically approved with this appliance may
result in property damage or personal injury.

Venting

Approved Termination Required
Allowable Vent Configurations
Max. 16" offset if
vent height is minimal
or elbow at collar of unit
3" Liner
3" min. Bend
Radius
Minimum Vent Liner Radius
7