HVAC Journeyman Practice Exam

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What is the standard requirement for the pitch of vent connectors?

at least 1/8 inch
at least 1/4 inch
at least 1/2 inch
at least 1 inch

The correct answer is: at least 1/4 inch

The standard requirement for the pitch of vent connectors is at least 1/4 inch per foot. This specification is essential to ensure proper drainage of condensate, which can accumulate in vent connectors, especially in high-efficiency appliances. The correct pitch directs any condensate back towards the appliance, preventing potential blockage or performance issues in the vent system. Maintaining this pitch is critical for the effective operation of the HVAC system and adheres to industry standards to ensure safety and efficiency. In contrast, options suggesting a pitch of 1/8 inch, 1/2 inch, or 1 inch do not align with established guidelines for vent connections, which could lead to inadequate drainage or excessive slope that might compromise the system's function.