Diffuser Face Size vs Neck Size

Does the drawing specify diffuser neck size or face size? And which does the boot need to match?

I'm checking diffuser face size vs neck size at [location]. I found ceiling diffuser with visible face and hidden neck connection to duct. Does the drawing specify diffuser neck size or face size? And which does the boot need to match?

Flex Duct, Boots, Collars & Grilles 1st Year BLUE

Stop if

Hold point on diffuser face size vs neck size: I have the location, photo, drawing/detail, and what I checked. Who should verify before this gets cut, drilled, covered, lifted, connected, or signed off?

Watch out

Don't assume diffuser size refers to face. Don't order without checking if spec means neck or face.

Check

room/grid/area
photo of condition
drawing/detail or submittal
what I already checked
what is blocking progress

Say this to your foreman

14125 diffuser face size vs neck size flex duct, boots, grilles & diffusers blue 1 does the drawing specify diffuser neck size or face size? and which does the boot need to match? i'm checking diffuser face size vs neck size at [location]. i found ceiling diffuser with visible face and hidden neck connection to duct. does the drawing specify diffuser neck size or face size? and which does the boot need to match? diffuser neck vs face, register size neck, grille face size diffuser neck size, diffuser face size, register neck, grille face diffuser size, ceiling vent size, register size, grille size

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