York S1-031-09182-000 Control Board 30067439-890 Key Benefits Engineered Compatibility: Designed

Key Benefits Engineered Compatibility: Designed as a functional drop-in replacement for Johnson Controls D-251 and D-3073 series actuators

For technicians performing boiler low water cut-off maintenance or level control overhauls

which is no longer compliant with modern safety and environmental standards

allowing for precise CFMs to match your system's ductwork and heating or cooling requirements

Historically favored for its compatibility with 2-wire heating systems

York S1-031-09182-000 Control Board 30067439-890 Key Benefits Engineered Compatibility: DesignedWhen you're troubleshooting VAV systems or handling complex economizer setups on the job site, the York S1 031 09182 000 Control Board is the standard OEM solution for expanding communication protocols. This expansion module, often categorized as a VAV Econ expansion board, HVAC control board replacement, and York replacement part, is engineered specifically for HVAC system communication modules and VAV control board expansion. It provides the