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Finlandia / Harvia Part # FH111 or ZSL-954 Terminal Block Only for FLC heaters. is the model-specific connection hub that keeps your FLC sauna heater wired safely and neatly to factory standards. Designed exclusively for Finlandia and Harvia FLC units, this terminal block organizes incoming power and heater circuits into clearly defined positions, helping maintain secure, low-resistance connections under continuous 240V loads. Its heat-resistant construction is engineered for the elevated temperatures and humidity inside sauna equipment, supporting long-term reliability without cracking or loosening. When refurbishing an aging heater or correcting improvised wiring, installing the FH111 / ZSL-954 restores the proper layout the manufacturer intended. By specifying your exact FLC model at ordering and using this dedicated terminal block, you help protect internal components, simplify service, and preserve efficient, safe heater performance for years of regular use.

  • Reliable Electrical Connections – Organizes and secures wiring within FLC sauna heaters, maintaining stable, low-resistance connections to support safe and efficient operation.
  • Durable Construction – Heat-resistant materials withstand elevated temperatures and high humidity, ensuring long-term reliability without cracking, loosening, or performance degradation.
  • Model-Specific Compatibility – Designed exclusively for Finlandia and Harvia FLC heaters, allowing proper fit and adherence to factory wiring standards for accurate installation.
  • Easy Installation – Streamlined design enables straightforward replacement or refurbishment, restoring correct wiring layout and maintaining optimal heater performance.
  • Protects Internal Components – Using this dedicated terminal block helps safeguard the heater’s circuitry, simplifying service and ensuring consistent, safe operation over years of use.

Finlandia / Harvia Part # FH111 or ZSL-954 Terminal Block Only for FLC heaters.

SKU: HAR-FH111
Regular price $41.00
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Finlandia / Harvia Part # FH111 or ZSL-954 Terminal Block Only for FLC heaters. is the model-specific connection hub that keeps your FLC sauna heater wired safely and neatly to factory standards. Designed exclusively for Finlandia and Harvia FLC units, this terminal block organizes incoming power and heater circuits into clearly defined positions, helping maintain secure, low-resistance connections under continuous 240V loads. Its heat-resistant construction is engineered for the elevated temperatures and humidity inside sauna equipment, supporting long-term reliability without cracking or loosening. When refurbishing an aging heater or correcting improvised wiring, installing the FH111 / ZSL-954 restores the proper layout the manufacturer intended. By specifying your exact FLC model at ordering and using this dedicated terminal block, you help protect internal components, simplify service, and preserve efficient, safe heater performance for years of regular use.

  • Reliable Electrical Connections – Organizes and secures wiring within FLC sauna heaters, maintaining stable, low-resistance connections to support safe and efficient operation.
  • Durable Construction – Heat-resistant materials withstand elevated temperatures and high humidity, ensuring long-term reliability without cracking, loosening, or performance degradation.
  • Model-Specific Compatibility – Designed exclusively for Finlandia and Harvia FLC heaters, allowing proper fit and adherence to factory wiring standards for accurate installation.
  • Easy Installation – Streamlined design enables straightforward replacement or refurbishment, restoring correct wiring layout and maintaining optimal heater performance.
  • Protects Internal Components – Using this dedicated terminal block helps safeguard the heater’s circuitry, simplifying service and ensuring consistent, safe operation over years of use.