Owner`s manual
THE CALDERA
Page 16
INSTALLATION INSTRUCTIONS Cont...
For best venting performance, here are some general venting rules:
1. Use only vent systems and components certified for use with this appliance
2. Maintain a minimum of 1” (26 mm) clearance to combustibles from the outside
surfaces of vertical vents and minimum of 1” (26 mm) sides and bottom, and 2” (51
mm) from top surfaces of horizontal vents. Always use a wall thimble when passing
through combustible construction.
3. Observe all local code restrictions, if any, regarding the installation of this type of gas
appliance.
4. Observe the vent height and length restrictions given in this manual.
5. Never slope horizontal vents downwards.
6. Maintain at least an upward slope of 1/4” (7 mm) for every 1 ft (305 mm) of
horizontal vent.
7. Terminate the vent with a termination certified for use with this appliance.
8. Support horizontal vent every 3 ft (915 mm) to prevent it from sagging.










