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Finlandia / Harvia Part # FH137 (ZSA-490) Rubber Seal and Silicone set is designed to create a secure, airtight seal for sauna heater lids, helping to retain heat and steam for improved efficiency. Made from durable, heat-resistant rubber and accompanied by silicone for enhanced adhesion, this set withstands the high temperatures and humidity typical of sauna environments, ensuring long-lasting performance. Its precise fit supports safe and consistent operation of your sauna heater, while installation is straightforward, allowing for easy replacement or maintenance. The FH137 seal set contributes to optimal heat retention, energy efficiency, and reliable sauna performance.

  • Secure axle locking – Positive locking that prevents axle shift in heater mechanisms, maintaining stable rotation and preventing component wear or misalignment, resulting in reliable operation and reduced maintenance over the heater’s service life.
  • Two size options (6mm/12mm) – Supplies both 6mm and 12mm axle fits so technicians can match OEM shaft dimensions precisely, avoiding improvised repairs and ensuring correct torque transfer and mechanical alignment in diverse Finlandia/Harvia models.
  • Heat-resistant construction – Manufactured from materials rated for sauna temperatures, the axle lock resists thermal deformation and corrosion, preserving locking force and preventing loosening during repeated heating cycles for long-term mechanical reliability.
  • Precision OEM fit – Engineered to Finlandia/Harvia specifications, the axle lock installs without modification to restore original geometry, reduce play, and maintain safe lid and hinge operation across compatible heater models.
  • Quick service replacement – Simple installation with standard tools allows fast field replacement during routine maintenance, minimizing downtime while restoring axle stability so technicians can complete repairs efficiently and safely.

Finlandia / Harvia Part # FH137 or ZSA-490 Rubber Seal and Silicon for Lid

SKU: HAR-FH137
Regular price $77.00
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Finlandia / Harvia Part # FH137 (ZSA-490) Rubber Seal and Silicone set is designed to create a secure, airtight seal for sauna heater lids, helping to retain heat and steam for improved efficiency. Made from durable, heat-resistant rubber and accompanied by silicone for enhanced adhesion, this set withstands the high temperatures and humidity typical of sauna environments, ensuring long-lasting performance. Its precise fit supports safe and consistent operation of your sauna heater, while installation is straightforward, allowing for easy replacement or maintenance. The FH137 seal set contributes to optimal heat retention, energy efficiency, and reliable sauna performance.

  • Secure axle locking – Positive locking that prevents axle shift in heater mechanisms, maintaining stable rotation and preventing component wear or misalignment, resulting in reliable operation and reduced maintenance over the heater’s service life.
  • Two size options (6mm/12mm) – Supplies both 6mm and 12mm axle fits so technicians can match OEM shaft dimensions precisely, avoiding improvised repairs and ensuring correct torque transfer and mechanical alignment in diverse Finlandia/Harvia models.
  • Heat-resistant construction – Manufactured from materials rated for sauna temperatures, the axle lock resists thermal deformation and corrosion, preserving locking force and preventing loosening during repeated heating cycles for long-term mechanical reliability.
  • Precision OEM fit – Engineered to Finlandia/Harvia specifications, the axle lock installs without modification to restore original geometry, reduce play, and maintain safe lid and hinge operation across compatible heater models.
  • Quick service replacement – Simple installation with standard tools allows fast field replacement during routine maintenance, minimizing downtime while restoring axle stability so technicians can complete repairs efficiently and safely.