User Guide

Figure 22

The vent termination must be located to meet all requirements below (also applies to vertical vent terminations). The minimum distance

from adjacent public walkways, adjacent buildings, openable windows and building in the National Fuel Gas Code, ANSI Z223.1/NFPA

54 - latest edition and/or the Natural Gas and Propane Installation Code, CAN/CSA B149.1. The vent termination clearances below are

for U.S.A., for Canadian vent termination clearances please refer to the requirements of CAN/CSA B149.1 Natural Gas and Propane

Installation Code. Consideration should be given to avoid possible damage caused by vent plumes and condensate when choosing a

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Part number 550-100-325/0718

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SERIES 2 WALL MOUNT GAS-FIRED WATER BOILER — Boiler Manual

8 Vent termination requirements