Harvia Chimney Extension Package
- Free USA shipping
- Full Warranty
- Secure Checkout
- Authorized Dealer
Extend your Harvia wood-stove chimney with the WHP1000 + WHP500M Chimney Extension Package. This stainless-steel, double-wall insulated set adds 1.5 meters of vertical chimney and locks securely into place—ideal for detached saunas or high-ceiling installs that require extra stack height for proper draft and compliance.
Key Features
- Modular extensions: 1000 mm + 500 mm stainless steel sections
- Double-wall insulated: Mineral wool core for high-temp safety and performance
- Secure joints: Groove-and-band connections resist thermal movement
- Certified & tested: CE-marked, soot-fire resistant, and freeze-thaw tested
- Vertical install only: Stackable; self-supporting outdoors up to 2 m
- Finnish quality: Designed, engineered, and made in Finland
- Warranty: 2-Year Consumer Warranty
Required Components
The following items are required for proper installation and safe operation (sold separately):
- Base chimney kit — e.g., Harvia WHP1500 or WHP1500M
- Roof flashing / rain protection matched to roof pitch and material
- Support brackets / guy wires if the stack is exposed or exceeds self-support limits
What’s Included
- 1 × 1000 mm stainless steel chimney extension
- 1 × 500 mm stainless steel chimney extension
- 2 × locking bands for secure connections
- Installation & Operation Instructions
Specifications
| Models | WHP1000 + WHP500M (Extension Sections) |
| Total Extension Length | 1500 mm (59 in) |
| Material / Finish | Stainless steel, double-wall with mineral wool insulation |
| Self-Supporting Height (Outdoors) | Up to 2 m above last support |
| Max Unsupported Height (Indoors) | Up to 3 m total (supports required above) |
| Wind Load (Max Support Gap) | Supports ≤ 3 m (9.8 ft) apart; ≤ 2 m (6.5 ft) above last support |
| Diameter | 220 mm (8.66 in) |
| Certification / Origin | CE-marked • 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.
