Venting - Valor 738JN Installation & Owner's Manual

Vent Location
The vent terminal must be located through the roof. This gravity
vent appliance is designed to opreate when an undistrubed
airfl ow hits the outside vent terminal from any direction.
Check local codes for allowable vertical vent termination.
Vent Materials
Use a 3" diameter aluminum fl ex liner approved for gas
venting when installed as an insert (existing chimney). Use a
4" diameter type "B" vent when installed with a 770ZCK Zero
Clearance Kit (see separate instructions packaged with the kit
for details).
Venting Notes
Where possible, avoid joining fl ex pipe. If joints are required,
use a approved connector and seal joints with RTV high temp
sealant.
Horizontal off sets are permissible to allow for routing around
masonry projections. Avoid bending fl ex pipe over a 45 degrees
radius where possible.
Allowable Vent Configurations
Approved Termination Required
Minimum vent lengths.
For other allowable configurations,
refer to the venting tables in the
National Fuel Gas Code Z223.1 or the
Natural Gas or Propane Installation
Code B149.1.
Max. 36" offset at 10'-0" min. vertical

Venting

Terminal Cap
Flashing
1 x 3" fl ex liner
3" Liner
3" min. Bend
Radius
Minimum Vent Liner Radius
QUALIFIED
INSTALLER
Typical Vent Installation
21