Water Tank for Chimney (Out Top Chimney Only)

Stainless Steel Chimney-Mounted Water Tank (30L / 7.5 Gal) – Technical Specifications

Product ID: SB219

1. Key Features

✔ Capacity: 30 litres (7.5 US gallons)
✔ Material: 304 stainless steel (rust-resistant)
✔ Mounting: Top-vent chimney only (requires vertical chimney pipe)
✔ Chimney Compatibility: Fits 115mm (4.5") diameter pipes (matches standard sauna chimney sizing)
✔ Dimensions:

• Diameter: 12" (30.5 cm)

• Height: 20" (51 cm)

• Weight: 12 lbs (5.4 kg) empty
  ✔ Shipping: Box size 16.5" × 12.5" × 23" | Gross weight: ~15-18 lbs

2. Installation Requirements

⚠ Must Have:

• Straight vertical chimney (no elbows or offsets)

• 115mm (4.5") diameter chimney pipe (standard for most sauna heaters)

• Minimum clearance:

  • 6" from combustible walls

  • 18" from ceiling (if applicable)

✔ Includes:

• Stainless steel mounting clamp

• Pre-drilled 3/4" NPT threaded ports (for water inlet/outlet)

4. Installation Guide

1. Prepare Chimney:

   • Ensure pipe is vertical, secure, and clean where tank will sit.

2. Mount the Tank:

   • Slide tank over 115mm chimney pipe

   • Secure with included clamp

   • Seal joint with high-temp silicone (500°F+)

3. Plumbing Connections:

   • Connect 3/4" braided stainless hose to inlet/outlet

   • Install drain valve at bottom for maintenance

4. Final Checks:

   • Fill with water & check for leaks

   • Ensure tank does not obstruct chimney draft

5. Maintenance & Safety

🔧 Annual Service:

• Drain & descale (use vinegar solution if needed)

• Inspect seals & clamps

⚠ Critical Notes:

• Never mount on angled chimneys

• Keep water level above 1/3 capacity to prevent overheating

• Do not use with saltwater (corrosion risk)

6. Price & Value

💰 $250-$350 USD (varies by retailer)
✔ Why It’s Worth It:

• Adds humidity control to dry saunas

• Prevents overly harsh löyly (steam)

• No electricity needed (passive heating from chimney)

Need Help Confirming Compatibility?
🔹 Reply with:

1. Your sauna heater model

2. Chimney pipe diameter (must be 115mm)

3. Ceiling height (minimum 7 ft recommended)

I’ll verify if this tank works for your setup! 🔥

(Pro Tip: Pair with olivine diabase stones for the best steam quality!)This stainless steel water tank holds 30 litres (7.5 gallons) of water and will only mount on the chimney going straight up in the sauna.
The size of the intake is 115mm, the same size as our chimney parts.
The diameter of the tank is 12" and the height is 20"