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Finlandia / Harvia Part # FH74 or ZSL-954 Terminal Block for FLB/FIP-B & FIN/KIP-W heaters. is the model-matched connection hub that keeps these sauna heaters wired safely, neatly, and to factory specification. Designed specifically for FLB, FIP-B, FIN, and KIP-W units, this terminal block organizes supply and heater leads into clearly defined positions, helping maintain low-resistance joints and stable performance under continuous 240V loads. Its heat-resistant body and rugged contact points are engineered for the elevated temperatures and humidity inside sauna cabinets, reducing the risk of cracking, carbon tracking, or loose connections over time. Ideal for refurbishing an older unit or correcting improvised wiring, the FH74 / ZSL-954 installs cleanly in the original mounting location and restores the secure electrical foundation your heater relies on for safe, efficient operation session after session.

  • Secure Electrical Connections – Organizes supply and heater leads into clearly defined positions, maintaining low-resistance joints and stable performance for safe and reliable sauna operation.
  • Durable Construction – Made from heat-resistant materials with rugged contact points, resisting cracking, carbon tracking, and loosening to ensure long-lasting performance in demanding sauna environments.
  • Direct Compatibility – Designed specifically for FLB, FIP-B, FIN, and KIP-W heaters, providing precise fit and seamless integration with original mounting locations and electrical layouts.
  • Essential Component – Critical for restoring secure wiring, improving serviceability, and maintaining the safe and efficient operation of your sauna heater over time.

Finlandia / Harvia Part # FH74 or ZSL-954 Terminal Block for FLB/FIP-B & FIN/KIP-W heaters.

SKU: HAR-FH74
Regular price $42.00
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Finlandia / Harvia Part # FH74 or ZSL-954 Terminal Block for FLB/FIP-B & FIN/KIP-W heaters. is the model-matched connection hub that keeps these sauna heaters wired safely, neatly, and to factory specification. Designed specifically for FLB, FIP-B, FIN, and KIP-W units, this terminal block organizes supply and heater leads into clearly defined positions, helping maintain low-resistance joints and stable performance under continuous 240V loads. Its heat-resistant body and rugged contact points are engineered for the elevated temperatures and humidity inside sauna cabinets, reducing the risk of cracking, carbon tracking, or loose connections over time. Ideal for refurbishing an older unit or correcting improvised wiring, the FH74 / ZSL-954 installs cleanly in the original mounting location and restores the secure electrical foundation your heater relies on for safe, efficient operation session after session.

  • Secure Electrical Connections – Organizes supply and heater leads into clearly defined positions, maintaining low-resistance joints and stable performance for safe and reliable sauna operation.
  • Durable Construction – Made from heat-resistant materials with rugged contact points, resisting cracking, carbon tracking, and loosening to ensure long-lasting performance in demanding sauna environments.
  • Direct Compatibility – Designed specifically for FLB, FIP-B, FIN, and KIP-W heaters, providing precise fit and seamless integration with original mounting locations and electrical layouts.
  • Essential Component – Critical for restoring secure wiring, improving serviceability, and maintaining the safe and efficient operation of your sauna heater over time.