DC Plumber Practice Questions - District Of Columbia Journeyman Plumber License Exam

What is the minimum venting requirement for a sewage ejector in a below-grade bathroom per the IPC?

No vent required if pump is submersible A 1-1/4 inch vent from the ejector basin A 2-inch vent from the ejector basin to open air Same size as the ejector discharge pipe

Correct Answer:

A 2-inch vent from the ejector basin to open air

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