If a vent connector diameter is 6″, what is the maximum horizontal run length permitted for the connection, according to the AGA-GAMA information?

windy city oil field, karamay, xinjiang, China

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Worker in a carpentry shop measures plywood for cutting

Apartment Fusebox Installation by Caucasian Electrician in His 40s. Residential Home Electric System Theme.

Joyful young man construction worker holding mobile phone and smiling while standing by the table with laptop