Harvia Cauldron 50 WP500L Wood Burning Sauna Water Heater

The Harvia Cauldron 50 WP500L Wood Burning Sauna Water Heater is a traditional Finnish-style hot water solution designed to bring authentic cottage sauna character and dependable performance to your outdoor sauna or cabin setup. Built for heating larger amounts of water, this premium wood-burning cauldron combines rustic charm with practical functionality, making it an excellent addition to traditional sauna environments.

Designed with a durable stainless steel inner cauldron, the Harvia WP500L efficiently heats up to 50 liters of water for washing, rinsing, and other sauna needs. Its fire chamber is engineered to direct heat efficiently beneath the inner cauldron, helping warm water quickly and evenly while maintaining the authentic feel of a wood-fired sauna experience.

Built for long-term use and easy maintenance, this model features a removable inner cauldron for convenient cleaning and a replaceable fire chamber to help extend product life. The stainless steel outer casing adds durability and a clean, timeless look, making the Harvia Cauldron 50 WP500L a reliable and attractive choice for sauna owners seeking traditional hot water heating without electricity.

Key Features

• 50-Liter Water Capacity: Designed to heat larger amounts of water for sauna washing and traditional cottage-style use.
• Authentic Wood-Burning Operation: Provides a classic Finnish sauna atmosphere with reliable water heating performance.
• Durable Stainless Steel Inner Cauldron: Built for efficient heat transfer, long-term durability, and easy cleaning.
• Removable Inner Cauldron: Can be easily removed for more convenient maintenance and upkeep.
• Efficient Fire Chamber Design: Directs heat beneath the inner cauldron to help warm water smoothly and effectively.
• Replaceable Fire Chamber: Designed to support long product life and easier long-term serviceability.
• Stainless Steel Outer Casing: Offers durability, corrosion resistance, and a clean traditional appearance.
• Finnish Cottage Sauna Appeal: Adds rustic charm and practical functionality to cabins, backyard saunas, and off-grid wellness spaces.

Ideal For

• Traditional Finnish sauna setups.
• Backyard sauna and cottage installations.
• Remote cabins and off-grid spaces.
• Wood-fired hot water heating for sauna washing.
• Users seeking an authentic rustic sauna atmosphere.

Specifications

• Product Type: Wood Burning Sauna Water Heater.
• Model: Harvia WP500L / Cauldron 50.
• Water Capacity: 50 Liters.
• Heating Method: Wood Burning.
• Inner Cauldron Material: Stainless Steel.
• Outer Casing Material: Stainless Steel.
• Maintenance Feature: Removable Inner Cauldron.
• Fire Chamber: Replaceable.
• Installation Type: Floor Standing.

Manuals & Resources

Chimney Installation Manual, Product Video 1, Product Video 2

Health & Safety Notice

This product is designed for sauna water heating, relaxation, and general wellness-inspired use. It is not intended to diagnose, treat, cure, or prevent any medical condition. Consult your healthcare provider before use if you have medical concerns, and follow all installation and operating instructions carefully.

Returns are subject to a 25% restocking fee. See our Return Policy for full details.

Shipping Information

Freight Shipping Included. Your Harvia Cauldron 50 WP500L Wood Burning Sauna Water Heater will be securely packaged and shipped on a wooden pallet for safe transport. Delivery is scheduled by appointment and includes curbside drop-off by a freight carrier with limited on-site assistance. Estimated delivery is within 3–10 business days.

Before shipping, the delivery team may contact you to confirm delivery details and identify any site-specific conditions that could affect the process.