Harvia Black Steel Chimney Extension Package
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Harvia WHP1000+500M Black Steel Chimney Extension Package
The Harvia WHP1000+500M package adds 1.5 meters of insulated, black steel chimney to your sauna installation. Built for Harvia’s modular steel chimney system, these extensions help you reach code-compliant termination height and maintain safe draft for wood-burning sauna stoves.
Key Features
- Modular black powder-coated steel chimney extensions (1,000 mm + 500 mm)
- Insulated sections for high-temperature performance and reduced clearances
- CE-marked; soot-fire resistant and freeze-thaw tested
- Twist-lock design with locking bands for secure, simple assembly
- Designed for vertical runs; easily stacked for additional height
- Compatible with Harvia steel chimney kits (e.g., WHP1500M) and Harvia wood stoves
- 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
What’s Included
- 1 × Insulated chimney section 1000 mm
- 1 × Insulated chimney section 500 mm
- 2 × Locking bands
- Installation & Operation Instructions
Specifications
| Specification | Details |
|---|---|
| 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 |
Pro Tip: Follow the “3-2-10” chimney rule (chimney top at least 3′ above the roof penetration and 2′ higher than anything within 10′) and verify local code requirements. Use additional Harvia modules if you need extra height for proper draft.
