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Apprentice Q&A · #058

How do I install a flexible connection (canvas connector) at the equipment discharge?

2nd YearVAVs & Fan CoilsRED · Stop / Verify

Leave a clear gap of roughly 2 to 3 inches between the raw metal edges of the equipment discharge and your main trunk line. * Wrap and secure the canvas connector fabric across this gap without pulling it tight like a drum string. It needs enough slack to absorb the mechanical kick when the fan starts up without tearing or transferring vibration down the line.

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Plain-English answer

Leave a clear gap of roughly 2 to 3 inches between the raw metal edges of the equipment discharge and your main trunk line. * Wrap and secure the canvas connector fabric across this gap without pulling it tight like a drum string. It needs enough slack to absorb the mechanical kick when the fan starts up without tearing or transferring vibration down the line.

Field checklist

Ask Foreman

Hey boss, I’m on vavs & fan coils and need verification before I touch this: How do I install a flexible connection (canvas connector) at the equipment discharge? Do you want me to stop here and check the approved detail, submittal, or inspector/manufacturer requirement first?

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Verify before acting

Use this as training guidance. The foreman, approved drawings, project specs, manufacturer installation instructions, employer safety policy, and AHJ/code requirements always control the final answer.

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