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Finlandia / Harvia Part # FH108 or ZSK-520 Thermostat/High Limit Control - The Sauna Place
Finlandia / Harvia Part # FH108 or ZSK-520 Thermostat/High Limit Control - The Sauna Place
Finlandia / Harvia Part # FH108 or ZSK-520 Thermostat/High Limit Control - The Sauna Place

Finlandia / Harvia Part # FH108 or ZSK-520 Thermostat/High Limit Control provides precise, dependable management of your sauna heater’s operating temperature while backing it up with proven overheat protection. Designed as an OEM replacement for compatible Finlandia and Harvia units, this combined thermostat and high-limit control helps the system maintain your chosen heat level and shut down safely if temperatures exceed safe limits. Its rugged construction stands up to continuous high-heat cycling inside the heater cavity, supporting long-term reliability in demanding residential or light-commercial use. Clearly marked connections make wiring straightforward for qualified installers, reducing downtime during repairs or upgrades. By choosing the correct factory-specified FH108/ZSK-520 control, you help preserve heater performance, safety listings, and warranty complianc, making it an essential component whenever the original temperature control shows signs of wear or failure.

  • Precise Temperature Regulation – Maintains the desired sauna heat level, ensuring a consistent and comfortable bathing experience while supporting energy-efficient operation.
  • High-Limit Safety Control – Built-in overheat protection automatically shuts down the heater if temperatures exceed safe limits, preventing potential hazards and enhancing user safety.
  • Durable High-Heat Construction – Engineered to withstand continuous high temperatures and sauna humidity, providing long-lasting reliability and stable performance in demanding environments.
  • OEM Compatibility – Designed specifically for Finlandia and Harvia sauna heaters, guaranteeing a precise fit, seamless integration, and preservation of system performance and warranty compliance.
  • Easy Installation – Clearly marked connections and straightforward design reduce installation time and ensure dependable functionality when replacing worn or failed thermostat/high-limit controls.
  • Non-Returnable Electrical Part – Confirms authenticity and safety, requiring proper verification of compatibility to maintain reliable heater performance and system integrity.

Finlandia / Harvia Part # FH108 or ZSK-520 Thermostat/High Limit Control

by Finlandia - Harvia
SKU: HAR-FH108
$194.00
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Finlandia / Harvia Part # FH108 or ZSK-520 Thermostat/High Limit Control provides precise, dependable management of your sauna heater’s operating temperature while backing it up with proven overheat protection. Designed as an OEM replacement for compatible Finlandia and Harvia units, this combined thermostat and high-limit control helps the system maintain your chosen heat level and shut down safely if temperatures exceed safe limits. Its rugged construction stands up to continuous high-heat cycling inside the heater cavity, supporting long-term reliability in demanding residential or light-commercial use. Clearly marked connections make wiring straightforward for qualified installers, reducing downtime during repairs or upgrades. By choosing the correct factory-specified FH108/ZSK-520 control, you help preserve heater performance, safety listings, and warranty complianc, making it an essential component whenever the original temperature control shows signs of wear or failure.

  • Precise Temperature Regulation – Maintains the desired sauna heat level, ensuring a consistent and comfortable bathing experience while supporting energy-efficient operation.
  • High-Limit Safety Control – Built-in overheat protection automatically shuts down the heater if temperatures exceed safe limits, preventing potential hazards and enhancing user safety.
  • Durable High-Heat Construction – Engineered to withstand continuous high temperatures and sauna humidity, providing long-lasting reliability and stable performance in demanding environments.
  • OEM Compatibility – Designed specifically for Finlandia and Harvia sauna heaters, guaranteeing a precise fit, seamless integration, and preservation of system performance and warranty compliance.
  • Easy Installation – Clearly marked connections and straightforward design reduce installation time and ensure dependable functionality when replacing worn or failed thermostat/high-limit controls.
  • Non-Returnable Electrical Part – Confirms authenticity and safety, requiring proper verification of compatibility to maintain reliable heater performance and system integrity.