Can this board be used in both furnace and AC applications

and nitrogen when used in a compatible Sensus regulator body with appropriate trim

the S1-024-35714-000 is rated for both frequencies

making it ideal for motor control

It features both 'O' and 'B' terminals

Belimo B209B Valve Can this board be usedThe Belimo B209B is a high performance 1 2" 2 way characterized control valve designed specifically for demanding HVACR applications. Engineered with a nickel plated forged brass body and a chrome plated brass ball, this valve provides exceptional durability and chemical resistance in hydronic systems. Its integrated Tefzel characterized disc ensures a true equal percentage flow characteristic, allowing for stable control and preventing the "hunting"