Finlandia / Harvia Part # FH86 or ZSK-150 Bottom Lid for Heater Junction Box is a dedicated protective cover that helps keep the electrical heart of your sauna heater safely enclosed. Designed to close off the underside of the junction box, it shields terminals and wiring from rising heat, moisture, dust, and accidental contact, supporting long-term reliability of critical connections. The lid’s durable construction is engineered for the demanding temperatures around Finlandia and Harvia heaters, resisting warping or cracking over years of use. A precise, model-matched fit ensures it seats securely and restores the original enclosure integrity during maintenance or repairs. Easy to install, this genuine replacement bottom lid is a small but essential component for maintaining safe operation, clean wiring, and a professional finish on your sauna heater.
Finlandia / Harvia Part # FH86 or ZSK-150 Bottom Lid for Heater Junction Box is a dedicated protective cover that helps keep the electrical heart of your sauna heater safely enclosed. Designed to close off the underside of the junction box, it shields terminals and wiring from rising heat, moisture, dust, and accidental contact, supporting long-term reliability of critical connections. The lid’s durable construction is engineered for the demanding temperatures around Finlandia and Harvia heaters, resisting warping or cracking over years of use. A precise, model-matched fit ensures it seats securely and restores the original enclosure integrity during maintenance or repairs. Easy to install, this genuine replacement bottom lid is a small but essential component for maintaining safe operation, clean wiring, and a professional finish on your sauna heater.