704STU Specifications
704STU Overview
Exterior Footprint: 28.13 sq. ft.
Interior Space: 25.06 sq. ft.
Exterior Dimensions: 70.91" W × 57.13" D × 78.94" H.
Interior Dimensions: 67.40" W × 53.54" D × 74.02" H.
240V / 30A Dedicated Circuit
4400W Heater Efficient Heating
Up to 230°F Temperature Setting
3-Year Warranty Long-term Protection
| Product Overview | |
|---|---|
| Model | 704STU |
| Installation Location | Indoor |
| Footprint | 28.13 sq. ft. |
| Wood Type | African Mahogany Wood |
| Material Treatment | Chemical-free heat treatment |
| Seating Capacity | 3-4 adults |
| Installation Surface | Stable, solid and level base |
| Electrical & Heater System | |
| Electrical Requirements | 240V / 30A |
| Power Connection | Plug: NEMA 6-30P Required outlet: NEMA 6-30R |
| Rated Heater Output | 4400W |
| Heater Element Material | Japanese SUS316L stainless steel |
| Power Cable Length | 6.2 ft. / 190 ± 5 cm |
| Power Cord Position | Rear right, viewed from the front |
| Temperature Range | 95°F–230°F / 35°C–110°C |
| Timer Settings | Minimum: 30 min Maximum: 12 hrs |
| Heating Performance | |
| Warm-Up Time — Warmer Conditions |
To 180°F: Approx. 25–35 min To 230°F: Approx. 40–50 min
|
| Warm-Up Time — Colder Conditions |
To 180°F: Approx. 35–45 min To 230°F: Approx. 50–60 min
|
| Controls & Comfort Features | |
| Control Panel | LCD control panel |
| App or Remote Control | Not supported |
| Bluetooth Audio |
Dual Bluetooth Speakers (BT Speaker) |
| Reading Lights | 2 |
| Negative-Ion Panels | located on back panel and inner front door |
| 660nm Red Lights | 2 integrated lights |
| Ventilation | 2 vents: air inlet and outlet |
| Vent Opening | 4.72" W × 5.51" H |
| Dimensions & Construction | |
| Exterior Dimensions | 70.91" W × 57.13" D × 78.94" H |
| Interior Dimensions | 67.40" W × 53.54" D × 74.02" H |
| Recommended User Height | Up to 188 cm (74.02") |
| Seat Dimensions | 53.39" W × 20.00" D × 3.31" H |
| Interior Seat Height | 29.88" H |
| Footrest Dimensions | 67.24" W × 13.31" D × 3.31" H |
| Interior Footrest Height | 14.13" H |
| Glass Door |
Thermally insulated, 6 mm Green‑Tinted tempered glass Right‑hand swing
|
| Seat Weight Capacity | Up to 240 lbs. per seat |
| Wind Resistance | Level 7 |
| Roof Load Capacity | Up to 200 lbs. |
| Modular Construction | Easier assembly and removal |
| Recommended Installers | 2-3 People |
| Installation Clearance | ≥3‑inch gap on the side walls ≥ 4 inches of clearance at the rear. ≥ 12 inches of clearance above the ceiling |
| Packaging & Delivery | |
| Number of Packages: 6 Boxes |
Box A: 156.09 lbs (70.8 kg) — 74.88" × 61.10" × 9.13" Box B: 179.46 lbs (81.4 kg) — 77.95" × 28.07" × 7.04" Box C: 151.68 lbs (68.8 kg) — 77.36" × 57.56" × 7.42" Box D: 139.33 lbs (63.2 kg) — 77.28" × 74.61" × 5.83" Box E: 48.50 lbs (22 kg) — 56.93" × 23.82" × 9.05" Box F: 22.05 lbs (10 kg) — 69.49" × 15.24" × 4.09" Box G: 22.93 lbs (10.4 kg) — 13.19" × 13.19" × 17.32" Box H: 22.49 lbs (10.2 kg) — 12.20" × 12.99" × 22.44" |
| Approximate Packaged Weight | 742.53 lbs. |
| Installation Service | Not included; contact HKXSC to check local service availability |
| What's Included | |
| Included Accessories |
1 × sauna heater 1 × sauna stone set 1 × wooden bucket and ladle 1 × towel ( 35"×20" & 67"×20" ) 1 × Thermal Insulation |
Warm-up times are estimates and may vary depending on ambient temperature, humidity, ventilation, electrical supply and installation conditions. Product measurements may have minor manufacturing tolerances.