♨️ Harvia Topclass Combi KV60SE 6kW Sauna Heater – 5-8 m³ Capacity
Experience Four Sauna Types in One: Traditional Finnish, Steam, Herbal, and Aromatic Bathing
🧖 Product Overview
The Harvia Topclass Combi KV60SE is a premium Finnish-manufactured combination electric heater and steam generator that transforms any sauna room into a versatile wellness sanctuary. This innovative 6kW wall-mounted unit delivers the authentic Finnish sauna experience whilst offering the flexibility of steam, herbal, and aromatic bathing modes.
Crafted with a top-quality stainless steel exterior and interior, the Topclass Combi features an integrated 5-litre water tank for steam generation, elegant soapstone cups for liquid fragrances, and a stainless steel grate for bagged aromatic fragrances. This heater is the ideal choice for discerning bathers who appreciate soft, humid steam combined with therapeutic aromatherapy.
Made in Finland by Harvia—one of the world’s most respected sauna manufacturers—this combi heater delivers reliable performance with a 2-year manufacturer’s warranty. Suitable for sauna rooms between 5 and 8 cubic metres, the KV60SE requires a separate control unit for operation, giving you complete flexibility over your sauna environment.
✨ Key Features
✅ Dual Heating & Steam System – Combined electric heater with integrated steam generator delivers multiple sauna experiences from a single unit
✅ Premium Stainless Steel Construction – Both exterior casing and interior stone compartment feature corrosion-resistant stainless steel for lasting durability
✅ 5-Litre Water Tank – Manual-fill reservoir provides consistent steam generation with a vaporisation rate of 2.5 kg/hour
✅ Aromatic Accessories Included – Soapstone fragrance cups and stainless steel grate for bagged aromatics allow therapeutic sauna sessions
✅ Wall-Mounted Design – Space-saving installation with included mounting bracket frees up valuable floor space
✅ 20kg Stone Capacity – Generous stone capacity ensures excellent heat retention and löyly steam production
✅ Finnish Manufacturing Quality – Proudly made in Finland with Harvia’s renowned attention to detail and craftsmanship
✅ CE Certified – Meets all European safety and performance standards (CE, EAC certified)
✅ 2-Year Warranty – Backed by Harvia’s manufacturer warranty for peace of mind
✅ Flexible Control Options – Compatible with multiple Harvia control units including Xenio WiFi, C105S Logix, and Griffin controllers
⚙️ Technical Specifications
| Specification | Value |
|---|---|
| Power Rating | 6.0 kW |
| Voltage | 230V / 400V 3N~ |
| Fuse Rating | 3 × 10 A |
| Room Capacity | 5 – 8 m³ |
| Dimensions (H × W × D) | 640 × 400 × 360 mm |
| Weight | 16.5 kg |
| Stone Capacity | 20 kg |
| Water Tank Capacity | 5 litres |
| Vaporisation Rate | 2.5 kg/hour |
| Minimum Sauna Height | 1900 mm |
| Mounting | Wall-mounted (bracket included) |
| Construction | Stainless steel (interior and exterior) |
| Certifications | CE, EAC |
| Country of Origin | Finland |
| Warranty | 2 years |
| Control Unit | Separate unit required (not included) |
Electrical Connection Details:
| Cable Type | Specification |
|---|---|
| To control unit | 5 × 1.5 mm² |
| To junction box | 7 × 1.5 mm² |
| Connecting cable to heater | 7 × 1.5 mm² |
| Temperature sensor cable | 4 × 0.25 mm² |
📏 Room Sizing Guide
Basic Formula:
1 kW = approximately 1 – 1.5 m³ sauna room volume
Adjustment Factors:
| Condition | Adjustment |
|---|---|
| Glass door/windows | +1.5 m³ per m² of glass |
| Uninsulated/log walls | +25-50% to volume |
| Outdoor/barrel sauna | +25-30% to volume |
| High ceiling (>2.3m) | Add extra volume |
Worked Example:
📍 Example Room: 2.0m × 1.8m × 2.2m
- Base volume: 7.92 m³
- Glass door (0.8m × 2.0m = 1.6 m²): +2.4 m³
- Total calculated: 10.32 m³
- The Topclass Combi KV60SE (6 kW) is suitable for rooms 5-8 m³
- ⚠️ This example exceeds recommended capacity – consider the 8kW KV80SE model
📍 Ideal Installation Example: 1.8m × 1.6m × 2.1m
- Base volume: 6.05 m³
- This 6 kW heater: ✅ Perfectly suited for this room size
💷 Running Costs
Energy Rate Used: £0.2635/kWh (UK Ofgem Price Cap, October-December 2025)
Cost Calculation:
| Usage Level | Sessions/Week | Hours/Year | Annual Cost |
|---|---|---|---|
| 🏠 Light Use | 2 | 150 | £237 |
| 🏠 Regular Use | 4 | 300 | £475 |
| 🧖 Heavy Use | 6 | 450 | £712 |
Calculation Formula:
Annual Cost = kW × Hours/Year × £0.2635
Example (6 kW heater, Regular Use):
6 kW × 300 hours × £0.2635 = £474.30
Per session cost: Approximately £2.37 per 1.5 hour session
⚠️ Actual costs depend on usage patterns, session length, sauna insulation, and current energy rates. Rates shown are based on Ofgem Price Cap for Q4 2025.
🔌 Installation Requirements
Electrical Requirements:
| Requirement | Specification |
|---|---|
| Voltage | 230V or 400V 3N~ |
| Fuse Rating | 3 × 10 A |
| Cable to control unit | 5 × 1.5 mm² |
| Cable to junction box | 7 × 1.5 mm² |
| Cable to heater | 7 × 1.5 mm² |
| Sensor cable | 4 × 0.25 mm² |
| Dedicated Circuit | Required |
Minimum Clearances:
| Position | Distance |
|---|---|
| Ceiling (above heater) | 1100 mm minimum |
| Side walls (A min.) | 50 mm |
| Rear wall (B min.) | 30 mm |
| Corner (C min.) | 120 mm |
| Floor clearance | 150 mm minimum |
| Benches | 500 mm recommended |
Ventilation:
- Fresh air intake: Near floor level, close to or behind the heater
- Exhaust vent: Upper wall level, opposite side of room
⚠️ IMPORTANT: Installation must be carried out by a qualified electrician in accordance with BS 7671 (IET Wiring Regulations) and local building codes. The heater requires a separate control unit which must be installed outside the sauna room.
🔒 Safety Features & Certifications
Built-in Safety:
- ✅ Thermal cut-out protection
- ✅ Overheat limiter with manual reset
- ✅ Separate control unit with safety timer
- ✅ Temperature sensor monitoring
- ✅ Low water level protection (steam function)
Certifications:
- ✅ CE Marked (European Conformity)
- ✅ EAC Certified (Eurasian Conformity)
🎯 Ideal Applications
| Application | Room Size | Capacity | Notes |
|---|---|---|---|
| 🏠 Home Sauna | 5-8 m³ | 2-4 people | Perfect for residential use |
| 🛖 Garden Sauna | 5-7 m³ | 2-3 people | Account for outdoor temperature factors |
| 🪵 Barrel Sauna | 5-6 m³ | 2-3 people | Compact design suits curved spaces |
| 🧖 Small Spa/Wellness | 5-8 m³ | 2-4 people | Multiple sauna modes ideal for spa settings |
🪨 Sauna Stones
- Stone Capacity: 20 kg
- Recommended Stone Size: 5-10 cm diameter
- Stones Included: No (sold separately)
- Recommended Type: Olivine diabase, Vulcanite, or Harvia genuine sauna stones
- Replacement Frequency: Every 1-2 years with regular use
- Installation: Do not pile stones too tightly – allow air circulation through the heater
💡 Tip: Using quality sauna stones ensures better heat retention and superior steam (löyly) production.
🎛️ Control Options & Accessories
Control System:
- Type: External control panel required (not included)
- Installation Location: Outside the sauna room
Compatible Harvia Control Units:
| Control Unit | Features |
|---|---|
| Xenio CX110C Combi | Touch panel, timer, thermostat, steam control |
| C105S Logix | Digital display, programmable timer |
| Griffin CG170C | Premium controller with advanced features |
| Xafir CS110C | Compact design with essential controls |
| CF9C | Basic combi heater controller |
Temperature Range: 40-110°C (control panel dependent) Timer Range: 1-6 hours (family saunas), up to 12 hours (public saunas)
Recommended Accessories:
- Safety rail/guard
- Additional sauna stones (20 kg required)
- WiFi module for app control (model dependent)
❓ Frequently Asked Questions
Q: What size room will this heater work for? A: The Harvia Topclass Combi KV60SE 6 kW heater is suitable for sauna rooms between 5 and 8 cubic metres. For rooms with glass doors, uninsulated walls, or outdoor installations, add 25-50% to your volume calculation.
Q: How long does it take to heat up? A: Typically 30-45 minutes to reach optimal bathing temperature, depending on room size, insulation quality, and target temperature.
Q: What electrical supply do I need? A: This heater can be connected to either 230V or 400V 3-phase supply. It requires a dedicated circuit with 3 × 10 A fuses. Professional installation by a qualified electrician is mandatory.
Q: Are sauna stones included? A: No, sauna stones are sold separately. This heater requires 20 kg of quality sauna stones with a diameter of 5-10 cm. Harvia genuine sauna stones are recommended.
Q: Is a control panel included? A: No, this model requires a separate Harvia control unit (sold separately). Compatible controllers include the Xenio CX110C Combi, C105S Logix, Griffin CG170C, or Xafir CS110C.
Q: How does the steam function work? A: The integrated 5-litre water tank is filled manually. When activated via the control unit, the heater produces steam at a rate of 2.5 kg/hour, creating a humid sauna environment for steam bathing.
Q: What is the warranty? A: The Harvia Topclass Combi KV60SE comes with a 2-year manufacturer’s warranty. Contact Parts4Tubs for full warranty terms and conditions.
Q: Can I install this outdoors? A: This heater is designed for indoor sauna installation. For outdoor saunas (garden rooms, barrel saunas), ensure the structure is properly insulated and the heater is protected from the elements. The control unit must always be installed in a dry location outside the sauna room.
📥 Downloads & Resources
📄 Topclass Combi Installation Manual – Complete installation guide with wiring diagrams
📄 Harvia Electric Heaters Product Brochure – Full range overview and specifications
⭐ Why Choose the Harvia Topclass Combi KV60SE
- ✅ Four Sauna Experiences – Traditional Finnish, steam, herbal, and aromatic modes in one versatile unit
- ✅ Premium Finnish Quality – Manufactured by Harvia in Finland with decades of sauna expertise
- ✅ Durable Construction – Full stainless steel build ensures years of reliable performance
- ✅ Flexible Installation – Wall-mounted design with multiple control unit options
- ✅ Efficient Performance – 6 kW output delivers rapid heating for rooms up to 8 m³
- ✅ CE Certified Safety – Meets all European safety and performance standards
🤝 Why Buy from Parts4Tubs
- ✅ UK-based company with local support
- ✅ Fast UK delivery
- ✅ Expert advice from sauna specialists
- ✅ Competitive pricing
- ✅ Full warranty support
- ✅ Easy returns within 30 days
✨ Summary
The Harvia Topclass Combi KV60SE 6 kW sauna heater delivers versatile, high-quality heating for sauna rooms up to 8 m³, offering the unique ability to enjoy traditional Finnish sauna, steam bathing, herbal infusions, and aromatic experiences from a single premium unit. With genuine Finnish craftsmanship, full stainless steel construction, integrated steam generation, and CE-certified safety features, this combi heater represents the pinnacle of home sauna technology. Backed by a 2-year Harvia warranty and Parts4Tubs expert UK support, order today for fast delivery.



