Master Plumber Practice Exam

The correct term for the portion of a venting system that connects a water heater to a vent is known as the vent connector. This component is crucial because it serves as the pathway for exhaust gases produced by the water heater to safely exit the building through the vent system.

In terms of construction and functionality, a vent connector is typically a short, direct run that leads from the appliance to a larger venting system, ensuring that the exhaust is moved efficiently without the buildup of harmful gases in living spaces.

The other options include terms that refer to somewhat different elements of the venting system. For example, a chimney connector may imply a connection to a chimney, which is a specific type of vent system, while Type B vent refers to a specific type of double-wall vent designed for gas appliances. Simply using the term "vent" is too broad and does not specify the connector involved in this context. All these distinctions show why the vent connector is the precise term used to describe that specific part of the venting system for a water heater.