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The B215B is rated for chilled and hot water applications up to 212°F
Common Questions Which furnaces are compatible with the Williams 8902 kit
Precise Voltage Regulation: Converts 120V primary to 24V secondary to protect sensitive HVAC control boards from power surges
Field technicians rely on its modular design and robust relay construction for consistent staging control in harsh HVACR environments
3" WC pressure switch to fail to close
York S1-031-09162-000 Control Board 30067439-890 The B215B is rated forThe York S1 031 09162 000 Control Board is a specialized 2 stage heat integrated furnace control designed for precise climate management in residential and light commercial HVAC systems. This OEM York replacement board facilitates communication between the thermostat, gas valve, and blower motor to manage high and low fire heating cycles. Engineered for York, Coleman, and Luxaire gas furnaces, the S1 031 09162 000 features advanced onboard diagnostics