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Key Benefits Engineered Compatibility: Designed as a functional drop-in replacement for Johnson Controls D-251 and D-3073 series actuators
115V technical specification from the manufacturer
Historically favored for its compatibility with 2-wire heating systems
Built with a durable Satin Brass body
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
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