Harvia vulcanite 5–10 cm (AC3040), 20 kg / 44 lb. Dark gray dry, black when wet. This is the electric-heater diameter of the same volcanic rock as AC3045.
What size and where it goes
Split-face / angular, 5–10 cm (2–4 in), one box 20 kg / 44 lb. Wall electrics and any heater whose manual says 5–10 cm. Good visible pile on Spirit or a stainless Wall if you want the wet-black look. Not a 10–15 cm wood-stove fill.
Before you pile
Rinse the rocks in a tub or with a hose before they go in the heater. Factory dust will smell on the first heat if you skip it. Pile loose so air can move — a jammed cage cooks elements and kills löyly. Cover the elements on an electric; do not rest a boulder on a bend in the coil.
What’s in the box
One box of Harvia sauna stones as named — 20 kg / 44 lb
Heater is not included
Rinse before piling (not optional)
Specs
Brand: Harvia
Type: Sauna stones
Model / type code: AC3040
SKU: 104-AC3040
Shape: Split-face / angular
Stone size: 5–10 cm (2–4 in)
Box weight: 20 kg / 44 lb
Material: Vulcanite (dark gray; black when wet)
Harvia type code: AC3040
FAQ
Are these a full pallet? No. One box. We do not import Prosaunas full pallets.
Is a heater in this carton? No. Stones only.
Do I need to rinse them? Yes. Wash the dust off before you pile.
Which size for my heater? 5–10 cm for most electric wall heaters. 10–15 cm for wood stoves and large floor electrics. HUUM CLIFF/STEEL want 3–5 cm; DROP/HIVE/CORE and HUUM wood want 5–10 cm. If the manual disagrees with a rule of thumb, the manual wins.
Can I check out without calling? Email hello@selfcaresaunas.com if you want a box count for a specific heater. Inventory is not tracked on this SKU — we keep selling and confirm the carton.
Questions? Email hello@selfcaresaunas.com or email hello@selfcaresaunas.com.