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Questions on fit, power or delivery? Call or email us. We stay your first contact after delivery, warranty included.
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30-day returns
Request a return within 30 days of delivery. Approved change-of-mind returns carry a 15% restocking fee. Damage is made right. Return policy
Description
Harvia AC3020 stones are larger angular olivine diabase for big electric heaters and all wood-burning heaters. The split faces store plenty of heat so ladled water vaporizes efficiently, and the angular shape stacks loosely for good air flow.
Specifications (Harvia)
- Model / part number: Harvia AC3020
- Stone type: Split-face olivine diabase, dark gray
- Stone size: 10 to 15 cm
- Box weight: 20 kg (44 lb)
- Box size: 5.91 x 11.42 x 15.75 in
- Use: Large electric heaters and all wood-burning heaters
- Listed for: Harvia Virta, Forte (AF), M, Pro and Legend series
What you need to know before buying
- Check your heater manual for the correct stone size and quantity.
- Pile stones loosely so air can circulate. Tight packing can shorten heating element life.
- Natural stones vary in shape and size; many owners buy an extra box to choose the best fit.
In the box
One box of Harvia olivine diabase sauna stones, 20 kg.
Warranty
Manufacturer warranty against defects.
Returns
Returns accepted within 30 days of delivery for unused, uninstalled items in original sealed packaging. Return shipping is paid by the buyer, and a restocking fee of up to 15% may apply (up to 50% if packaging is missing or the seal is broken). Installed items are handled as manufacturer warranty claims.
Related
Specifications
| Model / part number | Harvia AC3020 |
|---|---|
| Stone type | Split-face olivine diabase, dark gray |
| Stone size | 10 to 15 cm |
| Box weight | 20 kg (44 lb) |
| Box size | 5.91 x 11.42 x 15.75 in |
| Use | Large electric heaters and all wood-burning heaters |
| Listed for | Harvia Virta, Forte (AF), M, Pro and Legend series |
Specifications from the manufacturer. Dimensions are approximate.
Shipping
We ship to the 48 contiguous U.S. states and Washington, DC. Your shipping cost is calculated at checkout and shown before you pay.
You will get an order confirmation right away and tracking by email when your order ships. Questions about timing for a specific item? Call (945) 280-3243 or email support@restoresuite.com before you order.
Delivery
Large items such as saunas, hot tubs and cold plunge tubs usually ship by freight. The carrier contacts you to schedule delivery. Please check the packaging and note any damage on the delivery receipt before you sign, then tell us within 48 hours so we can resolve it for you.
Before delivery day, measure doorways and hallways along the path to the install spot, and confirm the electrical requirement on the Specifications tab.
Warranty
Manufacturer warranty against defects.
If this item has a manufacturing defect within 30 days of purchase, contact us with your order number and a photo or video of the issue and we will make it right.
Reviews
What delivery looks like
Why this sauna
Larger angular olivine diabase stones, 10 to 15 cm, for large electric and wood-burning heaters. 20 kg box.
- Split-face olivine diabase, 10 to 15 cm
- 20 kg (44 lb) box
- For large electric and all wood-burning heaters
- Stacks loosely for good air flow
Will it fit your space?
The numbers to check before you order. Full details are on the Specifications tab.
- Stone size
- 10 to 15 cm
- Box weight
- 20 kg (44 lb)
- Box size
- 5.91 x 11.42 x 15.75 in
Before you buy: what to know
Based on the manufacturer's specs, manuals and our research.
- Natural stones vary in shape and size; many owners buy an extra box to choose the best fit.
- Stack loosely to keep air moving through the heater.
Not sure this is the right fit? Ask us or call (945) 280-3243.
Pair it with a cold plunge
Heat, then cold. Many owners alternate sauna sessions with a cold plunge as a contrast therapy routine for recovery and relaxation. Read the contrast therapy guide
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$2,999.00
Chill Therapy
Chill Therapy CHILL1000 Cold Plunge with Built-In Chiller & Heater, 41°F to 104°F
$5,500.00
Penguin Chillers
Beyond Cold Summit All-in-One Stainless Cold Plunge by Penguin Chillers
$6,999.99
Common questions
Which heaters do these fit?
How many boxes do I need?
Are smaller stones available?
Choosing the right setup can be tricky. We are here to help.
Tell us your space, power and how you plan to use it, and we will help you compare models honestly, including whether this one is the right fit.
Why buy from Restore Suite
Warranty terms up front
Each product page states its warranty coverage, and we help you use it if anything goes wrong.
Terms shown upfront
Shipping, delivery, warranty and return terms for each brand are on the product page before you buy, not buried at checkout.
One point of contact
We handle your questions, delivery issues and warranty claims with the manufacturer for you.
Honest guidance
Free guides and calculators for sizing, running costs and safety, so you can decide with real numbers. See the research
