Harvia WHP500M Chimney Extension: about 20 inches of extra height for a black chimney
The Harvia WHP500M Chimney Extension is a black powder coated steel section for a Harvia steel chimney that needs a little more height. It adds about 20 inches and measures 8.6 inches across. The section twists onto the chimney, with grooves that lock the smoke pipes in place. This connection keeps the parts from shifting as temperatures change. It goes straight up only.
Designed and made in Finland, the extension can be used indoors or outdoors. The box contains one black chimney extension. Need more height? See the Harvia WHP1000M Chimney Extension, a 39 inch black extension. The Harvia WHP500M Chimney Extension ships free from Norse Steam with No Sales Tax (except WY) and our 100% price match guarantee.




























































