Redwood Outdoors Retreat Indoor Sauna, 4 Person

Model SN-IBU-H4K001F

Redwood Outdoors Retreat Indoor Sauna, 4 Person is a 4-person indoor traditional sauna.

Verified 2026-09-28How we verify these values

Key facts

Heat type
Traditional ListedSource 1Verified 2026-09-28
Capacity
4 people ListedSource 1Verified 2026-09-28
Exterior
Length 54 ¼″ × Width 72 ½″ × Height 79 ½″ ListedSource 1Verified 2026-09-28

Electrical requirements

Electrical requirements
Depends on the heater option chosen ListedSource 1Verified 2026-09-28

Have a licensed electrician confirm the circuit before installation.

Ask the seller

The manufacturer's sources we read do not give a single verified answer to these. Ask before you buy:

  • What supply voltage does this model need: 120V or 240V?
  • What amperage does its circuit need to be rated for?
  • How many circuits does it need, and what is each one for?
  • Does it plug in, and with which plug type, or is it hardwired?
  • Does it need a dedicated circuit?
  • Does it need GFCI protection?
  • What is the heater's rated power in kW?

Full specifications

Brand
Redwood Outdoors ListedSource 1Verified 2026-09-28
Model
Retreat Indoor Sauna ListedSource 1Verified 2026-09-28
Model number
SN-IBU-H4K001F ListedSource 1Verified 2026-09-28
Heat type
Traditional ListedSource 1Verified 2026-09-28
Placement
Indoor ListedSource 1Verified 2026-09-28
Wood
ThermoWood ListedSource 1Verified 2026-09-28
Infrared spectrum
Not applicable Not applicable
EMF (manufacturer's term)
Not applicable Not applicable
Red light
Not applicable Not applicable

Not verified: Crated width, Crated depth, Crated height, Supply voltage, Stated amperage, Breaker, Circuits required, Connection, Dedicated circuit, GFCI, Heater, Heater voltage, Maximum temperature, Warranty

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Source text (5 quoted passages)
  • vendor: Redwood Outdoors; listed on www.redwoodoutdoors.com Source 1
  • Retreat Indoor Sauna - 4 Person Source 1
  • sku: SN-IBU-H4K001F Source 1
  • Retreat Indoor Sauna (4-Person) 6kW Harvia KIP heater (with the option to upgrade): 8kW Harvia KIP 8kW Harvia KIP Wi-Fi 6kW Harvia Spirit Wi-Fi 8kW Harvia… Source 1
  • as the size and proximity of the bathers Wood Type Canadian Thermowood Exterior Dimensions 54 ¼” L x 72 ½” W x 79 ½” H Weight 800 Source 1

Sources

  1. www.redwoodoutdoors.com/products/sanctuary-indoor-sauna-4-person (opens in a new tab) Listed · fetched 2026-09-28

Cite this page

Redwood Outdoors Retreat Indoor Sauna, 4 Person. InHouse Wellness Verified Sauna Database. https://inhousewellness.com/pages/sauna-database/redwood-outdoors-retreat-4-person. Verified 2026-09-28.

Found an error? Email data@inhousewellness.com with the source that shows the correct value.