AKK13423: Marker Valve with Solenoid and Pressure Transducer 444 Supports equipment monitoring applications where AL79901 Supports equipment monitoring applications where sensor input is used for system response and operational awareness Smooth passageways in this valve promote responsive system performance by optimizing fluid movement through hydraulic systems under varying conditions John Deere marker valve with solenoid and pressure transducer regulates hydraulic flow or pressure in planter applications for controlled operation Compatibility with hydraulic systems allows this valve to integrate easily into planter setups for dependable control and operation needs