Vent Installation - kozy heat CALLAWAY 50 MV Installation And Operation Manual

7.6 Vent Installation

7.6.1 Vertical Terminations
Natural Gas and Propane Installations
DIAG. 1 venting configurations are shown with rigid pipe. Listed
vent systems (section 7.1 pg. 44) with flexible pipe can be installed
following the vent manufacturer's installation instructions.
(i) Minimum / Maximum Vertical Terminations:
45° vertical elbow + 3' (914mm) minimum vertical length / 50'
(15.24m) maximum vertical length + termination cap
(ii) Minimum / Maximum Vertical Terminations with Reducer*:
4" x 6-5/8" reducer + 45° vertical elbow + 3' (914mm) minimum
vertical length / 50' (15.24m) maximum vertical length +
termination cap
*To use any 45° elbow for vertical terminations with a
reducer, the total minimum vertical vent run must be 10'
(3.05m). A total of (5) 45° elbows may be used. No 90° elbows
are allowed. For every 45° elbow used, 18" (457mm) must be
subtracted from maximum venting allowed.
HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES
DIAG. 1 NATURAL GAS & PROPANE VERTICAL TERMINATIONS
(A) 45° Elbow (C) Termination Cap
(B) Reducer
i
C
ii
C
B
SECTION 7 VENTING
Vertical Terminations
50'
(15.24m)
3'
(914mm)
A
50'
(15.24m)
3'
(914mm)
A
47
#CLW-50-MV
R.1 October 2021