Vent Termination Requirements - Weil-McLain Evergreen 220 Instructions Manual

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Vent termination requirements

The vent termination must be located to meet all requirements below (also applies to vertical vent terminations). The
Figure 3
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 venting configuration and
location. Maintain a minimum clearance of 4 ft. (1.22m) horizontally from, and in no case above or below, unless a
4 ft. (1.22m) horizontal distance is maintained, from electrical meters, gas meters, regulators, and relief equipment.
Part number 550-100-156_0917
– Instructions Direct Exhaust Venting
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