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The KMC Controls RCC-1012 is a high-performance pneumatic reversing relay engineered for precise signal inversion in commercial and industrial HVAC control systems
It is recommended to adjust the starting point and operating span using the positioner
non-delayed components
As a critical OEM replacement component
While this specific model is optimized for 24 VAC excitation
York S1-031-09179-000 Board 30067439-890 The KMC Controls RCC-1012 isThe York S1 031 09179 000 24V Relay Lock In Board is a critical control component designed for precise sequence management in commercial and residential HVAC systems. This genuine OEM part serves as the direct replacement for S1 031 09155 000, addressing common communication failures and relay chatter issues found in older board revisions. Operating on a standard 24V AC control circuit, this board functions as a lockout relay, preventing short cycling