Toilet Exhaust Branch Check
Toilet exhaust branches need correct connection, damper/access if shown, and no blocked path back to the fan.
What This Helps With
Toilet exhaust branches need correct connection, damper/access if shown, and no blocked path back to the fan.
Apprentice words: toilet exhaust branch, restroom exhaust, exhaust grille, fan branch, balancing damper
Common problem: Branch is connected to wrong trunk, left unsealed, or has no access to balancing damper if shown.
Check First
What Not To Do
Do not tie toilet exhaust into supply/return. Do not bury a balancing damper above hard ceiling.
What can go wrong: Branch is connected to wrong trunk, left unsealed, or has no access to balancing damper if shown.
Better Foreman Question
Can you confirm this toilet exhaust branch ties to the right fan/system and has access if it needs balancing?
Verify With
Source to verify: Mechanical plan, fan schedule, TAB direction
Safe wording: Exhaust routing must match drawings and code/design intent.