{"product_id":"446-042","title":"446-042","description":"This advanced upgrade control board is a critical component for high-efficiency two-stage gas furnaces. Designed to manage the complex sequences of dual-stage heating, this integrated furnace control module regulates 120V power distribution to ensure precise operation of the PSC blower motor and the hot surface ignition (HSI) system. If your heating system is experiencing ignition failure, improper blower timing, or intermittent cycling, this replacement circuit board offers a reliable solution to restore optimal performance. Built with high-grade circuitry for enhanced durability, this board manages thermostat demands, safety limits, and flame sensing to provide consistent comfort and safe appliance operation. It serves as an essential repair part for modern residential HVAC units requiring modulating heat control.\u003cbr\u003e\nType: Furnace Control Board\u003cbr\u003e\nSize: Medium\u003cbr\u003e\nApplication: Used in residential forced-air heating systems, specifically dual-stage gas furnaces equipped with PSC blower motors and hot surface ignition (HSI) systems.\u003cbr\u003e\nSpecifications: 120V input voltage, 2-stage heating logic, PSC motor support, Hot Surface Ignition (HSI) compatible, integrated safety monitoring and diagnostic capabilities.","brand":"BCFurnace","offers":[{"title":"UPGRADE CONTROL BOARD 2 STAGE 120V (PSC MOTOR HSI IGNITION) \/ 446-042","offer_id":47251930611997,"sku":null,"price":653.66,"currency_code":"CAD","in_stock":true},{"title":"UPGRADE CONTROL BOARD 2 STAGE 120V (PSC MOTOR HSI IGNITION) \/ 1172551","offer_id":47251931398429,"sku":null,"price":653.66,"currency_code":"CAD","in_stock":true},{"title":"UPGRADE CONTROL BOARD 2 STAGE 120V (PSC MOTOR HSI IGNITION) 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