Standard Heater

Available in Silver or Black finishes to complement your sauna interior, this heater delivers consistent heat output and efficient stone placement for high-quality steam production. The compact rectangular design fits neatly into corner installations and works well with both DIY sauna kits and custom-built sauna rooms.

Choose from five power options to match your sauna room size. All heaters are TÜV Safety Certified.

###This Heater Comes With:

– Electric sauna heater unit (SAC series)
– On-stove controller (built-in)
– 18–22kg premium sauna stones (2 boxes)
– Mounting brackets and hardware
– Installation manual (English)

###Technical Specifications:

**Dimensions**
– Heater Size: 410 × 270 × 520 mm (W × D × H)
– Weight: 10.5kg (heater only, without stones)
– Stone Capacity: 18–22kg

** Electrical Requirements**
– Voltage: 220–240V (single-phase or three-phase)
– Power Options: 3kW / 4.5kW / 6kW / 8kW / 9kW
– Circuit: Dedicated circuit required
– Wiring: Hardwired installation (no plug)

**Controller**
– Type: On-stove (built-in to heater body)
– Temperature Range: 40–110°C
– Timer: Up to 4 hours
– Display: Analogue dials

**Performance**
– Operating Temperature: 70–100°C (typical sauna range 80–90°C)
– Heat-up Time: 30–45 minutes to reach 80°C (varies by room size)
– Stone Heating: Direct contact for efficient steam production

**Heater Sizing Guide**
– 3kW: 2–4m³ (e.g., 1.2 × 1.2 × 2.1m — small 1–2 person sauna)
– 4.5kW: 3–6m³ (e.g., 1.5 × 1.5 × 2.1m — 2–3 person sauna)
– 6kW: 5–8m³ (e.g., 1.8 × 1.8 × 2.1m — 3–4 person sauna)
– 8kW: 8–12m³ (e.g., 2.0 × 2.0 × 2.1m — 4–6 person sauna)
– 9kW: 8–14m³ (e.g., 2.2 × 2.2 × 2.2m — 5–6 person sauna)

For outdoor saunas or rooms with large glass windows, add 20% to your cubic metre calculation when selecting heater size.

• Compact rectangular design fits corner and wall installations
• Built-in on-stove temperature and timer controller
• Available in Silver or Black finish
• Stainless steel construction for durability and corrosion resistance
• Efficient stone tray design for quality steam (löyly) production
• Suitable for residential and light commercial use
• Quick heat-up time of 30–45 minutes
• TÜV Safety Certified
• 220–240V power — single-phase or three-phase options available

### Installation

- Professional electrical installation required
- Heater must be hardwired to a dedicated circuit by a licensed electrician
- RonYen Sauna provides installation guidance but does not install standalone heaters
- Dedicated electrical circuit required (30–40A depending on heater size)
- Heat-resistant wiring rated for sauna conditions
- Minimum clearances from walls and ceiling as per the manual

### Delivery

- Free delivery throughout Thailand
- Standard delivery timeframe is 1–3 weeks from order confirmation
- Heater and stones ship in separate boxes (2 boxes total)

Pouring Water on Your Heater
Pour water slowly onto the stones using a ladle — avoid excessive water in one pour. Read our guide on how to pour water on sauna rocks without destroying your heater →

Replacement Heater Elements
Heating elements typically need replacement every few years depending on usage. Replacement elements available from RonYen Sauna.