Experience the
SUNRAY Difference
Constructed of premium grade Canadian red cedar and hemlock.
State-of-the-art technology and easy to assemble.
Wide selection of indoor and outdoor models.

Experience the
SUNRAY Difference
State of the art technology.
Outdoor and indoor models available.
Easy to assemble with a best in class warranty.

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Experience the
SUNRAY Difference
Premium grade Canadian Red Cedar or Hemlock Wood Saunas.
Offering the latest in infrared and traditional heating technology.
Best selection of indoor and outdoor models.

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Grandby 3-Person Outdoor Infrared Sauna

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Sealed Weatherproof Cabin
Shingled Roof
Natural Canadian Hemlock Wood
7 Halogen Heaters
LED Control Panel
Recessed interior lighting
Bluetooth speaker system
Ozone Sterilization System
2100 watts

Dimensions: 72" x 47" x 87"

Exterior Product Dimensions

Exterior Height: 87

Exterior Width: 69

Exterior Depth: 47

Interior Product Dimensions

Interior Height: 68

Interior Width: 55

Interior Depth: 43

Product Weight: 425

ETL/CSA Certified - Meets all US and Canadian electrical safety standards - Dedicated 120V, 20 amps

The Grandby 300D infrared sauna features a sealed weatherproof cabin and shingled roof for outdoor use. The Grandby is constructed of durable Canadian hemlock and comfortably seats 3 people. Eight halogen heaters will quickly get the sauna to your desired temperature, up to 140 degrees. The Grandby outdoor sauna is a perfect size for the backyard. Includes wide bench seating for maximum comfort, an oxygen ionization system for purifying the air, recessed interior lighting, Bluetooth, cup holders, and more. The Grandby is easy to assemble and the natural Canadian hemlock wood will enhance any outdoor patio setting.

See all Outdoor Infrared Saunas
Also see NIH reference: Sauna as a valuable clinical tool for cardiovascular, autoimmune, toxicant-induced, and other chronic health problems.

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$5,235.00
$3,490.00

Download Operation and Assembly Manual.

Product Code: 300D3
Availability: In Stock

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Outdoor Sauna Electrical Requirements

Outdoor infrared saunas require a dedicated 120V circuit. The wire size will depend on the amperage of the outdoor sauna which can be found in the operating manual. Outdoor saunas are equipped with a power cord only. The customer is responsible for attaching the correct plug to the sauna cord based on the amperage requirement.

Outdoor Sauna Operating Temperature

Your outdoor sauna operating temperature is up to 140 degrees Fahrenheit. Please note that extreme cold temperatures may affect the time it takes for the sauna to reach maximum temperature. We do not recommend using the sauna in extreme cold weather (less than 0 degrees Fahrenheit).

Insulation Requirements

Installing additional insulation in your outdoor sauna ceiling is not required. However, you may choose to add insulation to your outdoor sauna to help the sauna retain heat during periods of extreme weather.

Outdoor Sauna Weather Resistance

Our outdoor infrared saunas have a waterproof coating applied to the cabin to resist moisture. We recommend applying a new waterproof coating to the exterior of the sauna cabin annually or as needed to ensure the sauna cabin remains water resistant.

Foundations for Outdoor Sauna Kits

We recommend using a sturdy base as the foundation for your outdoor sauna cabin. Ensure the sauna cabin foundation is solid and level to provide a secure base. We recommend using a waterproof vapor barrier between the bottom of your sauna and the sauna foundation so that moisture does not penetrate the bottom of the sauna.

Using an Outdoor Sauna Indoors

There are no restrictions on using an outdoor sauna inside the home. Please keep in mind that outdoor saunas have a shingled roof and are taller than indoor saunas so they may not fit in all interior rooms.

Outdoor Sauna Shipping Method

All outdoor saunas are shipped via truck freight with curbside delivery and lift-gate service included unless otherwise specified. Outdoor saunas are shipped on a wooden pallet with removable bracing to protect the sauna boxes. Please contact us if you have special requirements for delivery. The trucking company will call you to schedule a delivery appointment.

Outdoor Sauna Warranty

All outdoor infrared saunas carry a 7-year structural warranty and 1-year parts warranty. We recommend re-sealing your outdoor sauna cabin annually with water proof sealant to continually protect it against the elements. All sauna parts including electronic parts and heater panels are guaranteed for 1-year against defects.

Assembly and Installation

Outdoor infrared saunas are easily assembled by two adults. The typical assembly time is 1-2 hours. No special tools are required for sauna assembly however you will need a ladder or step stool to reach the sauna roof to apply the shingle sections. You will also need a drill and phillips head screw driver to attach the roof sections.

Returns and Cancellations

We allow returns of non-clearance outdoor saunas within 90 days of receipt of purchase if the sauna is in new and re-sellable condition. The original and return shipping cost will be deducted from the refund. Saunas that are returned with damage or are not in new and re-sellable condition will incur a 15% inspection and restock fee.

Cleaning Your Sauna

The interior of your outdoor sauna cabin should be cleaned every 2-3 months or more depending on usage. To clean the interior of your sauna, use a mixture of baking soda and water (3 teaspoons baking soda to 1 gallon of warm water). Using a clean towel, wipe down the interior of the sauna focusing on where sweat accumulates. Let the area dry with the sauna door open. Use a standard ammonia-based glass cleaner to clean the sauna doors and windows.

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