Thermia Defrosting Card 901 517

Reconditioned defrost control card for the compatible Thermia Atria heat pumps listed below.

Product Details

• Part number: 901 517, also referenced as 086U2772 by some suppliers
• Product type: Defrosting card / control PCB
• Function: Manages the defrost cycle on the outdoor unit, switching the relevant circuits through its on-board relays so ice building up on the evaporator is melted at the right intervals. This keeps airflow and efficiency up in cold weather, and a faulty card typically leaves the unit iced up and underperforming
• Construction: Green PCB with encapsulated transformer, five relays, screw terminal block and multi-pin connectors
• Condition: Reconditioned
• Brand: Thermia

Compatibility

• Thermia Atria
• Thermia Atria Optimum
• Thermia Atria Duo Optimum

Check the board markings, connector arrangement and part number against the existing defrosting card before ordering.