Concentric Vent and Combustion-
Air Roof Termination
_2" (5t.8mm) Max
_ __ _ 36" Min -_'_1/_ ..... Exhaust
Min.Gradeor ......_ 0 ,,j 36" Min (__)
o.us.
Concentric Vent and Combustion-
Air Sidewall Termination
............. I
CombustionAir ...... Maximum ........................
.........f_!/ _" ,j_-- _.......... _._..,-
............... [ ............
...........\L __Z_:_I..... _ ......--""A"
...............---::-...._._ ":::_._'--_......
Vent 25-22-02d
Dimension "A" is touching or 2" (50.4mm) maximum separation.
11111 i i:::i
Sidewall Inlet Vent and Exhaust-
Air Termination
"-r-"--J-"_Jr" .->"J---_-'s".b---"Exnaus!\ ---_' ( " --j_
';>"S-¢'_>-_1--_;_->_J...... ._:: :.4: _ / _ .......
::-:""-,nIet[ ..../_ ........>...._.)V-_ .-
\ '.' \. m', _..................20' (6.1m)Max.
_ /_ _ ...........
Iz"(_o_,_mm)_n........_ i_"(_7._mm)Mm.forColdChmates
Gradeor Snow Level [Sustained0°F(-17°C) and belowfor
j _--- 24 hours ormore consecutivehours]
........Dimension "A" is touching or 2" (50.4mm) maximum separation.
Sidewall Inlet Vent and Exhaust-Air
Termination with Exterior Risers
18" Min. for ColdClimates - - --_--_--1-- _--I--< _---
(Sustainedtemperatures0° F I-[-_r-i----[-_iiiii---'_,-_
and belowfor 24 or morecon- __ )__r___ f --" 8" M n
secutivehours) " "_1_ _ -'-_ / / S_" _ =
--[i< _>_ _- >---%___-__L--8"Min. / /'-_._ '. , \ __-
._ ....__-_ ....... _ _ . ,_.
-J _-xnaust__ _/_ _--_f _-- _-_p_ _' 12"Mn
/ /--f_ =_ _ ,,/_ __._ i _ _ ..... Gradeor
i i_ /_, _:::__/ _ >: / -_ SnowLevel
,,?- -__ _x
Dimension "A" is touchin_ or 2" (50.4mm) maximum separation.
N: Rooftop Inlet Vent and Exhaust-
Air Termination
18" Min. for ColdClimates .... , ._
(Sustainedtemperatures 8" (203.2MM)Min. ,,.-_.........._
_ 0o F and belowfor 24 or 20' (6.1) Max. _I _'i..... '\
moreconsecutivehours) n et " " -; --_-'--_"
',,',, :,_._.---,-- ._ ._ .... -,....
" " "--'-- i _ "_ ) -> _---'_-
",,",, ........',,i.......I_, !_ ....,_ -__:- ",,....
" _..... ,\F .4', ,-.... _---_-\'_--'_
12"(304.8mm)_ ',,",,....... _ -:___J--:_--_---_-''_,.[-i'__Exhaus!_
Mn Grade or ",_'_---__-%-,,.... _---_,........', z ---_---',.--'-'.......
SnowLevel -_",",- .;!_-- -- '\---_,...........',_......:'""" _..............
",.",,('"_"-_'......-"_...........18"(457:2mm)Min.forColdClimates
'_,\......... ...........[Sustained0°F(-17°C) and belowfor
I"_ -.... 24 hoursor moreconsecutivehours]
" 25 22 43
440 01102404
Specifications are subject to change without notice
31