Finlandia / Harvia Part # FH84 Terminal Block & Wiring Harness offers a complete electrical solution for sauna heaters, combining a robust terminal block with a pre-configured wiring harness to ensure secure, reliable connections. Engineered for the high temperatures and humid conditions common in sauna environments, the components maintain stable current flow while protecting sensitive control elements. The harness is precisely designed for straightforward integration, reducing installation time and simplifying maintenance tasks. With its durable construction and optimized layout, the FH84 supports consistent power distribution and helps maintain efficient heater operation. Ideal for service or replacement, this set provides a dependable foundation for safe and long-lasting electrical performance in Finlandia and Harvia sauna systems.