HVAC > HVAC Fittings & Materials > Gas Vent Fittings > Type B Gas Vent Thimbles > Selkirk > RV Series Thimbles > RV Wall Thimble
| Additional Information | |
|---|---|
| Category 2 Memo | Type "B" GasVent.doc |
| Product No | 187703 |
| Size | 3" |
| Dimension | |
| A | 3-5/8" |
| B | 7" |
Features:
· Used to ensure clearance to combustibles is maintained
· Wall Thimble also serves as a firestop, Adjusts from 4 - 1/8" to 7" to fit thickness of wall