18-inch Section Hi-Temp Superior Double Wall Pipe Snap Lock 18-8HT Product Details
This is Superior’s 18-inch Hi-Temp Double Wall Pipe Snap Lock, labeled as 18-8HT. Ensure efficient and durable venting for your fireplace with this high-temperature-resistant component.
Features:
- Type: Hi-Temp Snap Lock Wall Pipe
- Comfort Glow, Comfort Flame, Desa, Design Dynamics, FMI, Vanguard, Vantage Hearth, Superior, IHP
- Each double wall chimney section consists of a 12-3/8″ diameter galvanized outer pipe, an 8″ diameter stainless steel inner flue pipe, and a wire spacer
- Actual lengths gained after fitting overlaps must be taken into consideration (lineal gain)
- Lineal gain is the actual measurable length of a part after two or more parts are connected








