SaunaLife Model S4N Soak-Series Home Wood-Burning Hot Tub, Natural
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- Full Warranty
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The SaunaLife Model S4N wood-burning hot tub blends Nordic craftsmanship with modern materials for a serene, off-grid soak. A durable thermo-spruce exterior, easy-clean fiberglass interior, and a 304 stainless steel wood-fired heater deliver authentic warmth, efficiency, and long-term durability—no electricity required.
Key Features
- Off-Grid Simplicity: Wood-burning heater; no electrical hookup needed.
- Thermo-Spruce Exterior: Heat-treated Nordic spruce resists weather.
- Fiberglass Shell: Smooth, durable, and easy to clean.
- 304 Stainless Heater & Flue: Polished chimney with rain cap.
- Integrated Steps: Matching thermo-spruce entry steps.
- Insulated Vinyl Cover: Helps retain heat and keep out debris.
- Built-In Drain Tap: Faster water changes and maintenance.
- Ships Fully Assembled: Place on a prepared, level pad.
Specifications
| Category | Details |
|---|---|
| Model | SaunaLife S4N Wood-Burning Hot Tub |
| Seating Capacity | Up to 6 adults |
| Water Capacity | Approx. 304 gallons (1,150 L) |
| Exterior Dimensions | 79″ (Ø) × 37″ (H) |
| Interior Size | 71″ (Ø) × 33″ (D) |
| Exterior Material | Thermo-spruce (heat-treated Nordic spruce) |
| Interior Material | Molded fiberglass shell |
| Heater Type | Wood-burning; no electrical connection required |
| Heater Material | 304 stainless steel firebox & housing |
| Chimney | Polished stainless with rain cap |
| Cover | Insulated foam core, marine-grade vinyl (dark grey) |
| Steps | Integrated thermo-spruce entry steps |
| Drain System | Built-in tap for quick water changes |
| Fuel | Seasoned hardwood (oak, maple, birch recommended) |
| Typical Heat-Up Time | ~1.5–2 hours to 100–104°F (condition dependent) |
| Average Fuel Use | ~0.25–0.5 cu ft per session (~$2–$6) |
| Foundation | Level, non-combustible surface (concrete or pavers) |
| Use Environment | Outdoor use only; residential/off-grid |
| Country of Origin | Northern Europe |
| Warranty | Manufacturer’s limited warranty via SaunaLife |
What’s Included
- S4N hot tub (fully assembled)
- 304 stainless wood-burning heater
- Polished stainless chimney with rain cap
- Thermo-spruce steps
- Insulated marine-grade vinyl cover
- Integrated drain tap
- User manual & care guide
Compare at a Glance
| Feature | S4N Wood-Fired (This Page) | Typical 240V Electric Spa |
|---|---|---|
| Power Source | Wood-burning; no electricity | Electric (240 V / 50 A) |
| Heat-Up Time | ~1.5–2 hours* | ~30–90 minutes |
| Jets & Controls | No powered jets; manual fire control | Digital controls, pumps, hydrotherapy jets |
| Best For | Off-grid ritual, ambiance, simple soaking | Set-and-forget convenience, massage therapy |
| Ongoing Cost | Firewood | Electricity + chemicals |
*Varies by season, starting water temperature, wood type, wind, and use of the insulated cover.
Site Prep & Installation
- Base: Level, non-combustible, load-rated pad (concrete/pavers). Keep clear of eaves/overhangs.
- Clearances: Follow local chimney height and setback rules; keep combustibles away from flue.
- Water: Fill via standard garden hose; drain using the built-in tap.
- Ventilation: Outdoor use only with open air around stove and chimney.
- Local Codes: Verify solid-fuel appliance requirements before installation.
Operating Guide
- Fuel: Use seasoned hardwood for hotter, cleaner burns; avoid treated lumber.
- Heating: Expect ~1.5–2 hours to 100–104°F depending on conditions; keep cover on while heating.
- Circulation: Stir water with a clean paddle during heat-up for even temperature.
- After Use: Replace and latch cover to retain heat and keep out debris.
Estimated Running Costs
Estimates vary by climate, season, and local wood prices.
| Item | Typical Range | Notes |
|---|---|---|
| Firewood per session | ~0.25–0.5 cu ft | Ambient temperature & species affect burn |
| Approx. fuel cost | ~$2–$6 per use | Based on typical U.S. pricing |
| Water care | $5–$12/month | Cover + periodic treatment lowers upkeep |
Shipping & Returns
- Ships fully assembled via freight with appointment scheduling.
- Typical freight transit after processing: 7–14 business days (location dependent).
- Returns: 14-day return policy on unused products (see full terms).
Need a specific date or special access accommodations? Contact us before checkout.
FAQs
Does the S4N need electricity?
How long does it take to heat?
Can I place it on a deck?
How do I maintain water quality?
Warranty & Support
MyLuxuryHomeSpa.com is an Authorized SaunaLife Dealer. All purchases are supported by SaunaLife’s manufacturer warranty and our expert customer service.
Installation Manual (PDF) • Dimensions Diagram (PDF) • Warranty (PDF)
Why Buy From Us
FAQs
Shipping & Delivery
Free curbside shipping on all orders. White-glove delivery/setup available at checkout in most areas. We’ll confirm your preferred date after purchase.
Warranty
Full manufacturer warranty, registered at purchase. Need help with a claim? Our U.S. support team handles it directly with the brand.
Returns
New, uninstalled items can be returned within the brand’s policy window. We’ll help coordinate pickup and any restocking requirements.
Installation & Power
Most saunas/hot tubs require dedicated circuits. We provide spec sheets and can recommend licensed installers in your area.
