TinnerFlow logoTinnerFlow™
Spiral, Round Duct & Couplings

Concentric Vs Eccentric Round Reducer

Wrong type causes clearance or drainage/airflow issues

Green / Field Check2ndBatch 5

What This Helps With

Wrong type causes clearance or drainage/airflow issues

Apprentice words: reducer

Trade terms: reducer, concentric, eccentric, taper

Check First

Whether design wants concentric or eccentric and orientation

What Not To Do

Assume orientation doesn't matter

What can go wrong: Flipping eccentric the wrong way

Better Foreman Question

Concentric or eccentric here, and which side flat?

Open In Ask Foreman

Verify With

Reference type: project drawings

Source to verify: Drawings; supplier data

Safe wording: ID plus orientation reminder.

Search Related Field ChecksOpen Field ReferencesAsk Foreman