Dunkirk XEB-2 Installation Instructions Manual page 12

INDUCED DRAFT HIGH EFFICIENCY BOILERS
Maximum Horizontal Vent Length For Stainless
Steel Vent Pipe - 30' Plus One 90 ° Elbow Plus
Vent Terminal
Minimum Horizontal Vent Length - 2' Plus One 90 °
Elbow Vent Termination
Additional elbows are equivalent to 6 feet of straight
pipe for 4" diameter 90 ° elbow or 3 feet of
straight pipe for 3" diameter 90 ° elbow
2, 3, 4, 5, Section Boilers use 3" vent pipe.
6, 7 Section Boilers use 4" vent pipe.
CHOICE OF VENT PIPE MATERIAL
a) U.L. Listed Z-Flex Z-Vent Stainless Steel Vent Pipe.
b) U.L. Listed Heat-FabSat-T-VentStainlessSteelVentPipe.
c) U.L. Listed Flex-L Star-34 Stainless Steel VentPipe.
d) U.L. Listed ProTech Systems FasNSeal Stainless Steel
Vent Pipe.
TERHINATI[SN FITTING
90 _ ELBD\,/ PDINTING DE]\JN SAME MATERIAL AND
PIPE SZE AS VENT NG SYSTEM EQUIP WITN SCREEN
(MIN 1/4" MESH) FI] KEEP BUT BIRDS AND RE]_}ENTS
II 1 N_J I']1 _' N F/ II
T,; RN[ bNT; SI ,_/i'_ ,EN -rl i
Vii i 3 _ iBR _3_,5 _ECIiD/4 _Di ER8
VN / q_ Flii_ 6 7 SIC]i N Bliii IRS
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FOR A CBHSUSTIKE WALL, USE A THIMBLE, SELECT AS
FOI LOWSJ
VENT PIPE 2 VENT SAP T-VEN% STAR 34
T'IIHSLE, SIMPS[SH DURAVENT THZHSLE
_905895 ..... 3" THIHSLE
_915295
4" TI I[HSLE
VENT PIPE FASIqSEAL
THIM]}LD FASNSEAL %/ALL TI£MBLE
#FSWT03 3" THIH]}LE
/
#FSWT04 4" TNIH]BLE
PIflCH D@WN [UWARD
OUTSIDE I/4" /
PER FOOT_
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HORIZONTAL VENTING ACCESSORIES PART NUMBERS
DESCRIPTION PART NUMBER
3" side Wall Vent Hood (Tjernlund VH-1-3") 146-29-010
4" side Wall Vent Hood (Tjernlund VH-1-4") 146-29-011
3" Thimble (Simpson 905295) 146-29-013
4" Thim bte (Simpson 915295) 146-29-014
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