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Finlandia / Harvia Part # FH74 or ZSL-954 Terminal Block for KV heaters is a model-specific wiring hub designed to keep electrical connections in KV sauna heaters organized, secure, and compliant with factory standards. Built to handle the elevated temperatures and humidity inside a heater cabinet, this terminal block provides stable contact points for power and control circuits, reducing the risk of loose wiring, overheating, or inconsistent performance. Its layout is tailored to KV models, ensuring the correct routing of conductors and a clean fit within the existing mounting space. Ideal for repairs, refurbishing, or correcting non-standard wiring, the FH74 / ZSL-954 helps restore the safe, dependable electrical integrity your heater was designed to deliver. Specifying the exact KV model at ordering ensures perfect compatibility.

  • Secure Electrical Connections – Provides stable and organized wiring for KV sauna heaters, reducing the risk of loose connections, overheating, and ensuring reliable, safe heater operation.
  • Heat-Resistant Design – Constructed to withstand elevated temperatures and humidity inside the heater cabinet, maintaining long-term durability and performance.
  • Model-Specific Compatibility – Tailored for Finlandia / Harvia KV heaters, ensuring proper fit and adherence to factory wiring layouts for accurate, safe installation.
  • Easy Installation – Designed for straightforward replacement or repair, simplifying maintenance while restoring optimal electrical integrity.
  • Maintains Heater Reliability – Using the FH74 / ZSL-954 terminal block helps preserve the electrical system’s integrity, supporting consistent performance and safe operation over years of use.

Finlandia / Harvia Part # FH74 or ZSL-954 Terminal Block for KV heaters

SKU: HAR-FH74-KV
Regular price $40.00
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Finlandia / Harvia Part # FH74 or ZSL-954 Terminal Block for KV heaters is a model-specific wiring hub designed to keep electrical connections in KV sauna heaters organized, secure, and compliant with factory standards. Built to handle the elevated temperatures and humidity inside a heater cabinet, this terminal block provides stable contact points for power and control circuits, reducing the risk of loose wiring, overheating, or inconsistent performance. Its layout is tailored to KV models, ensuring the correct routing of conductors and a clean fit within the existing mounting space. Ideal for repairs, refurbishing, or correcting non-standard wiring, the FH74 / ZSL-954 helps restore the safe, dependable electrical integrity your heater was designed to deliver. Specifying the exact KV model at ordering ensures perfect compatibility.

  • Secure Electrical Connections – Provides stable and organized wiring for KV sauna heaters, reducing the risk of loose connections, overheating, and ensuring reliable, safe heater operation.
  • Heat-Resistant Design – Constructed to withstand elevated temperatures and humidity inside the heater cabinet, maintaining long-term durability and performance.
  • Model-Specific Compatibility – Tailored for Finlandia / Harvia KV heaters, ensuring proper fit and adherence to factory wiring layouts for accurate, safe installation.
  • Easy Installation – Designed for straightforward replacement or repair, simplifying maintenance while restoring optimal electrical integrity.
  • Maintains Heater Reliability – Using the FH74 / ZSL-954 terminal block helps preserve the electrical system’s integrity, supporting consistent performance and safe operation over years of use.