Manualshelf

Install Instructions

ManualsBrandsBurnham ManualsBoilers305 128,000 BTU Output, Electronic Ignition, 6 Section Gas Fired Cast Iron Boiler (NG)
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Figure B-1: Typical Atmospheric Vent Installation
Install vent and vent connector (Figure B-1). Vent installation shall be in accordance with "Venting of
Equipment," of the National Fuel Gas Code, ANSI Z223.1/NFPA 54, or "Venting systems and Air Supply for
Appliances," of the Natural Gas and Propane Installation Code, CAN/CSA B149.1, or applicable provisions
of the local building codes.
APPENDIX B1 – ATMOSPHERIC VENTING (continued)
HORIZONTAL VENT CONNECTOR,
SLOPE SECTIONS UPWARD NOT
LESS THAN 1/4 IN/FT (21 MM/M)
FLOOR
CHIMNEY (SEE "CONNECT VENTING" SECTION
THIMBLE
SLOPE UP
AIR GAP