Harvia TopClass 4.5/6/8kW 240V Electric Sauna Heater w/ Built-in Controls
Harvia TopClass 4.5/6/8kW Electric Sauna Heater w/ Built-in Controls | JKV452401/JKV602401/JKV802401
This is a user-friendly heater built out of durable and corrosion-resistant stainless steel. The illuminated control panel can be placed on either the right or left side of the heater towards the top section, which makes it easy to access the switches even in the dim lighting of a sauna room. It comes in three ratings which are capable of heating up to 425 cubic feet.
Features:
- For sauna rooms from 100 to 425 cu. ft.
- Temperature Range: 104F - 194F
- 3 ratings: 4.5/6.0/8.0 kW
- Wall-mounted design
- Stainless Steel construction
- Built-in controls mounted on left or right side
- Illuminated control panel
- 8-Hour delayed start timer
- 60-minute shutoff timer
- Designed, engineered, and made in Finland
Includes
Included:
- Sauna Heater
- Installation and Operation Manual
- 2-Year Warranty (Consumer use)
Add-Ons
The following options should be considered with your purchase:
- Sauna stones: 45 lbs (1 Box-AC3000)
Specifications
Specification:
- Dimensions: 17"W (431mm) x 11"D (279mm) x 24"H (609mm)
- Voltage/Phase: 240V/1PH
- Heater Weight: 50 lbs
TopClass-4.5kW
- ROOM VOLUME: 100 - 210 CU. FT.
- AMPS: 18.8
- Wire Size: 10
TopClass-6.0kW
- ROOM VOLUME: 170 - 300 CU. FT.
- AMPS: 25
- Wire Size: 10
TopClass-8.0kW
- ROOM VOLUME: 250 - 425 CU. FT.
- AMPS: 33.3
- Wire Size: 8
Safety Clearances
4.5kW Model: KV45
- Safety Distance A (side panel): 1.38 inches
- Safety Distance B (lower bench): 0.20 inches
- Safety Distance C (side panel): 4.72 inches
- Safety Distance D (lower bench): 1.18 inches
- Safety Distance E (upper bench): 3.15 inches
- Safety Distance F (ceiling): 43.31 inches
- Safety Distance G (floor): 5.91 inches
6kW Model: KV60
- Safety Distance A (side panel): 1.97 inches
- Safety Distance B (lower bench): 0.20 inches
- Safety Distance C (side panel): 4.72 inches
- Safety Distance D (lower bench): 1.18 inches
- Safety Distance E (upper bench): 4.72 inches
- Safety Distance F (ceiling): 43.31 inches
- Safety Distance G (floor): 5.91 inches
8kW Model: KV80
- Safety Distance A (side panel): 3.94 inches
- Safety Distance B (lower bench): 0.20 inches
- Safety Distance C (side panel): 4.72 inches
- Safety Distance D (lower bench): 1.18 inches
- Safety Distance E (upper bench): 5.91 inches
- Safety Distance F (ceiling): 43.31 inches
- Safety Distance G (floor): 5.91 inches

Manual
Order Processing: Once your order is placed, you’ll receive a confirmation email. Please allow 1–3 business days for order review and processing. If we need to confirm delivery details or there are any delays, we’ll reach out right away.
How Saunas Ship:
- Freight Delivery (Most Saunas): Sauna kits and larger models ship on a pallet via freight carrier and are delivered curbside.
- Parcel Shipping (Smaller Items): Accessories or small components may ship via UPS, FedEx, or USPS.
Estimated Delivery Timeline:
- Processing: 1–3 business days.
- Estimated Ship-Out: Typically ships in 1–2 weeks.
- Transit Time: Freight shipments typically take 3–10 business days once shipped.
- Delivery Appointment: The carrier will usually contact you to schedule delivery. An adult must be present to receive and inspect the shipment.
Important Delivery Notes:
- Curbside Delivery: Freight is delivered to the end of your driveway or loading area. Inside delivery or white-glove service is not included unless arranged in advance.
- Measure First: Confirm doorway widths, staircases, and access paths. Sauna kits ship in multiple boxes and/or pallets.
- Inspect on Arrival: Before signing, check for visible damage to packaging or pallet.
If There’s Damage: Note it on the delivery receipt (ex: “Damaged – subject to inspection”), take photos, and contact us within 48 hours so we can assist with next steps.
Warranty Coverage:
We are an authorized dealer, and all saunas include the full manufacturer’s warranty. Coverage terms vary by brand and model and are listed on the product page.
What’s Typically Covered:
- Manufacturer defects in sauna materials and components
- Heaters, controls, and electrical components per manufacturer policy
- Replacement parts shipped to you (labor not typically included)
What’s Typically Not Covered:
- Shipping damage not noted at delivery
- Natural wood variation, knots, or movement over time
- Improper installation, misuse, or operation outside manufacturer guidelines
- Electrical issues due to incorrect wiring or inadequate power supply
Need Help? If you have questions or need to start a warranty claim, contact us and we’ll help coordinate with the manufacturer to get things resolved as quickly as possible.
Sauna FAQs
Get in touch
Have a question? We'd love to hear from you. Send us a message and we'll respond as soon as possible.
