Harvia WP220ST Water Tank Heater
Best water heating solution for traditional wood-burning sauna enthusiasts.
This clever attachment turns your stove’s wasted flue heat into a constant supply of hot water for your sauna ritual. You sacrifice a bit of stove-top real estate, but the trade-off is an authentic, off-grid luxury that makes manual water heating a thing of the past.
$730.00
at
Wellness Junction
Who it's for
- Sauna owners seeking energy-efficient water heating solutions
- Homeowners prioritizing long-term durability in humid environments
- Off-grid enthusiasts needing reliable hot water without electricity
Who should skip it
- DIY beginners lacking experience with chimney pipe modifications
- Large groups requiring a continuous supply of hot water
- Users living in areas with hard, mineral-heavy water
Performance breakdown
Thermal Efficiency
Direct flue heat transfer maximizes energy usage during every sauna session.
Build Durability
High-grade stainless steel construction withstands intense heat and humid sauna environments.
Installation Simplicity
Mounts directly to the flue for a straightforward, tool-minimal setup process.
Capacity Adequacy
The 5.8-gallon volume perfectly balances weight with sufficient hot water supply.
System Compatibility
Broad integration across the Harvia wood-stove lineup ensures wide user accessibility.
Ritual Enhancement
Provides a seamless, authentic Finnish experience by automating water heating needs.
Key Specs
Model
WP220ST
Material
Stainless Steel
Water Capacity
5.8 gallons
Compatibility
All wood-heated Harvia stoves (excluding Harvia 50)
Heating Method
Heat transfer via stove smoke pipe
Installation
Pipe model, placed directly on stove pipe
Know before you buy
Still have a question?
Ask Metto anything about the Harvia WP220ST Water Tank Heater before you decide.
