Dunkirk XEB-4 - Removing Boiler from Common Venting; Procedures for Common Venting Removal

FIG. 9 - HORIZONTAL VENTING
INDUCED DRAFT HIGH EFFICIENCY BOILERS
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3$57180%(5'(6&5,37,21
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HORIZONTAL VENTING ACCESSORIES PART NUMBERS
Maximum Horizontal Vent Length For Stainless
Steel Vent Pipe - 30 Plus One 90º Elbow Plus
Vent Terminal
Minimum Horizontal Vent Length - 2 Plus One 90º
Elbow Vent Termination
Additional elbows are equivalent to 6 feet of straight
pipe for 4 diameter 90º elbow or 3 feet of
straight pipe for 3 diameter 90º 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-Fab Sat-T-Vent Stainless SteelVent Pipe.
c) U.L. Listed Flex-L Star-34 Stainless Steel VentPipe.
d) U.L. Listed ProTech Systems FasNSeal Stainless Steel
Vent Pipe.
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