Finding the right 8″ double wall stove pipe is key for safe venting, high efficiency, and a clean installation. This guide covers five solid choices, highlighting who they’re best for and why they stand out. It’s ideal for homeowners upgrading wood stoves, fireplaces, or coal or gas appliances who need durable, heat-tolerant venting. The top picks emphasize corrosion resistance, high heat tolerance, and easy integration with existing AllFuel HST or similar systems.
| Product | Diameter | Type | Best For |
|---|---|---|---|
| AllFuel HST 8″ x 48″ | 8″ | Double Wall Class-A | Heavy-duty, long runs with AllFuel HST systems |
| AllFuel HST 8″ x 36″ | 8″ | Double Wall Class-A | Medium-length installs in AllFuel HST setups |
| Selkirk 8″ SureTemp 48” | 8″ | Double Wall Stainless Steel | High-heat, versatile applications |
| DuraVent 8DVL-48 | 8″ | Double Wall Stainless/ Galvanized | Durable, wide compatibility for various fuels |
| Simpson Duravent 8806 8″x6″ | 8″ | Double Wall Stovepipe (DVL) | Extending or connecting to multiple appliances |
AllFuel HST 8″ x 48″ 304 Stainless Steel Double Wall Pipe
The AllFuel HST 8″ x 48″ double-wall pipe is designed for AllFuel HST Class-A systems. Best for long, uninterrupted vent runs where the insulation and 2″ clearance to combustibles matter. The inner and outer walls are 304 stainless steel with laser-welded seams for corrosion resistance and durability. This option is ideal for homeowners who already use AllFuel HST components and need a longer, reliable section.
Best for: Homeowners upgrading an AllFuel HST setup, needing a long, high-temperature vent run. Better for: installations requiring superior corrosion resistance and strong draft. Choose this if: you want a kit-compatible, heavy-duty Class-A chimney extension. Caution: cannot be connected to other brands of Class-A chimney without compatible adapters.
AllFuel HST 8″ x 36″ 304 Stainless Steel Double Wall Pipe
This 8″ x 36″ AllFuel HST pipe provides a solid mid-length option within the AllFuel HST Class-A family. Its 304 stainless steel construction and ceramic fiber insulation maintain high internal temperatures and protect combustibles with a 2″ clearance. Best for: mid-run installations that require reliable heat retention and compatibility with AllFuel HST components. Better for: shorter runs than the 48″ option. Caution: limited to AllFuel HST Class-A systems for proper fit.
Selkirk 8″ SureTemp 48” Long Chimney Pipe
Selkirk SureTemp double-wall pipe offers robust stainless steel inner liner with a durable outer shell. It’s UL-listed and tested to withstand up to 2,100 degrees Fahrenheit, providing dependable protection for high-heat surges. Best for: areas with extreme draft demands or appliances that generate high heat. Better for: long-term reliability and safety. Caution: ensure compatibility with existing locking bands or adapters in your chimney system.
DuraVent 8DVL-48 DVL Galvanized Stainless Steel Pipe
The DuraVent 8DVL-48 is a double-wall stove pipe connector designed to vent smoke and exhaust from wood, oil, coal, or gas. It features durable steel construction and is built to maintain a high flue gas temperature for a strong draft. Best for: wood-burning or multi-fuel setups needing reliable venting. Better for: installations requiring durable, long-lasting piping. Caution: verify that this galvanized/double-wall configuration matches local code requirements for your area.
AllFuelHST 8″ Single to Double Wall Pipe Adapter
The AllFuel HST adapter connects single-wall stove pipe to AllFuel HST Class-A double-wall systems. Best for: users who need to bridge existing single-wall components to a Class-A chimney. Better for: ensuring a proper transition within AllFuel HST ecosystems. Caution: not compatible with non-AllFuel Class-A brands without an appropriate adapter kit.
Simpson Duravent 8806 8″x6″ Double Wall Pipe
The Simpson Duravent 8806 is an 8″x6″ double-wall stovepipe designed to add length to a double-wall black pipe and can be ovalized for particular appliance connectors. Best for: legacy or mixed-installations needing flexibility in connector sizing. Better for: extending an existing double-wall run. Caution: compatibility with your appliance collar and locking bands should be checked to avoid fit issues.
Buying Guide
Key considerations when choosing an 8″ double-wall stove pipe:
- Material and corrosion resistance: Stainless steel options resist corrosion and last longer in high-heat environments. Consider 304 stainless for most installations.
- Class-A compatibility: If you already use AllFuel HST Class-A piping, stay within that family for best fit and seal integrity.
- Insulation and clearance: Ceramic fiber insulation provides a 2″ clearance to combustibles, supporting safe venting and proper draft.
- Length and diameter: Match the pipe length to your chimney run and ensure consistent 8″ diameter to avoid flow restrictions.
- End connectors and adapters: Ensure adapters (like a single-to-double wall adapter) are compatible with your stove pipe and chimney system.
- Installation codes: Local building codes may dictate allowable materials and configurations for Class-A and double-wall piping.
Frequently Asked Questions
- What is the advantage of double-wall stove pipe? Double-wall piping reduces radiant heat exposure to surrounding combustibles and improves insulation for better draft and efficiency.
- Can I mix brands of Class-A chimney pipe? Compatibility varies; some brands require specific adapters or are not designed to connect with others. Always confirm with the manufacturer.
- Is stainless steel better than galvanized for stove pipe? Yes, stainless steel typically offers better corrosion resistance and longer life in high-heat environments.
- What does the 2″ clearance to combustibles mean? Insulation allows the pipe to run closer to walls or ceilings while staying within safety limits.
- Do I need a professional to install 8″ double-wall pipe? Professional installation ensures compliance with local codes and proper sealing for safe venting.
- What should I consider when choosing 8″ vs other diameters? Match the stove outlet and chimney inlet; larger diameters can support higher draft but require compatible components.