Electrical: Ritual 2-Person

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Section 4.7Site preparation

Electrical: Ritual 2-Person

Circuit specs for the SW45E heater on the 2-Person — the lowest power draw in the Ritual line.

The Ritual 2-Person uses the Harvia "The Wall" SW45E heater rated at 4.5 kW.

Circuit requirements

SpecificationValue
Heater modelHarvia SW45E
Heater power4.5 kW
Voltage220 to 240 V
Circuit amperage20 A dedicated circuit
PhaseSingle-phase
Isolation switchRecommended near the unit

For your electrician

  • Run a dedicated 20 A circuit on 220 to 240 V single-phase
  • Install an isolation switch near the sauna location
  • Connect to the heater per the Harvia wiring diagram included in your sauna documentation
  • Verify the breaker matches the circuit specification

This is the lowest power draw of the Ritual line and the most likely model to fit within an existing panel without upgrade work, depending on your panel's spare capacity.

Last updated May 3, 2026