REF-3 · fan
REF-3
Greenheck GB-101-4-X roof exhaust fan (REF-3).
- Tier
- 2
- Consequence
- 3 CONFIRMED
- Probability
- —
- Risk
- —
- Scored
- 2026-10-24
- Consequence note
- No backup (Clay). Less critical fans can have hoods moved to other hoods; still counted as no backup.
Identity
- Mfr
- Greenheck
- Model
- GB-101-4-X
- Serial No.
- 13680443
- Mark
- GB-101-4X-R4
- Mark code
- 1404