Harvia Black Steel Chimney Extension Kit
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The Harvia WHP1000+500M package extends your Harvia modular steel chimney by 1.5 meters with two insulated, black powder-coated sections (1000 mm + 500 mm). Built for high-temperature performance and simple, secure assembly, these CE-marked modules help you achieve proper termination height and safe draft for wood-burning sauna stoves.
Key Features
- Modular black steel extensions: 1000 mm and 500 mm insulated sections.
- High-temp insulation: Supports reduced clearances and steady draft.
- Tested & certified: CE-marked, soot-fire resistant, and freeze-thaw tested.
- Twist-lock connection: Locking bands included for secure, tool-light assembly.
- Vertical runs: Stackable design for additional height as needed.
- System compatible: Fits Harvia modular steel chimney kits (e.g., WHP1500M) and Harvia wood stoves.
- Finnish quality: Designed, engineered, and made in Finland.
Required Components
The following items are typically required for a complete installation (sold separately):
- Base chimney kit (e.g., Harvia WHP1500M) with start pipe and roof/ceiling pass-through.
- Roof flashing / rain flange appropriate to your roof pitch and material.
- Support brackets or guy wires if required by height/exposure and local code.
What’s Included
- 1 × Insulated chimney section 1000 mm
- 1 × Insulated chimney section 500 mm
- 2 × Locking bands
- Installation & Operation Instructions
Specifications
Model | WHP1000M + WHP500M (Extension Package) |
Total Extension Length | 1,500 mm (59″) |
Section Lengths | 1 × 1000 mm (39.4″), 1 × 500 mm (19.7″) |
Material / Finish | Insulated steel / Black powder-coat |
Compatibility | Harvia modular steel chimney system (e.g., WHP1500M kit) |
Installation Orientation | Vertical only; stackable with additional modules |
Certification / Origin | CE-marked • Made in Finland |
Why Buy From Us
FAQs
Shipping & Delivery
Free curbside shipping on all orders. White-glove delivery/setup available at checkout in most areas. We’ll confirm your preferred date after purchase.
Warranty
Full manufacturer warranty, registered at purchase. Need help with a claim? Our U.S. support team handles it directly with the brand.
Returns
New, uninstalled items can be returned within the brand’s policy window. We’ll help coordinate pickup and any restocking requirements.
Installation & Power
Most saunas/hot tubs require dedicated circuits. We provide spec sheets and can recommend licensed installers in your area.