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24820-1-0409Page 22
Available from Empire Comfort Systems, Inc.
PVVK-CFAFLEXVENTKIT
The ex vent kit is a exible vent hose that is 42” in length. The ex vent kit will be used when installing a Mantis into an existing
replace. The ex vent kit can be cut down, but can only be cut from one end.
Cement PVC Joints
Cut End
Cement PVC Joints
Once length is determined, install two (2) 10 x 1/2” screws into the adaptor assembly to secure the adaptor assembly to the ex hose.
Using PVC cement, cement all PVC joints of the ex vent kit to the remaining PVC vent run.
FLEXIBLE
FLUE KIT
FLEXIBLE GAS
LINE
PVC PIPE SWV
(SUPPLIED BY INSTALLER)
(2)-45 DEG. PVC BENDS
(SUPPLIED BY INSTALLER
IF NECCESSARY)
GALV. SHEET FLASHING
TO SEAL CHIMNEY
(SUPPLIED BY INSTALLER)
VENT CAP (SUPPLIED
WITH VENT KIT)
CUT END
Venting for Existing Fireplace Installation
Determining Minimum Vent Height Above the Roof
WARNING: Major U.S. building codes specify minimum chimney and/or vent height above the rooftop. These minimum heights are
necessary in the interest of safety.
ROOF PITCH H (Min.)
Flat to 6/12 12” (305 mm)
6/12 to 7/12 15” (381 mm)
Over 7/12 to 8/12 18” (457 mm)
Over 8/12 to 16/12 24” (610 mm)
Over 16/12 to 21/12 36” (914 mm)