This constant pilot control integrates a manual valve

It connects the existing sensor rod to the main control board

and 67 conductivity-based controls commonly found in commercial boiler setups

reducing operational costs and electrical stress

This specific model features a cast iron body intended for standard water or glycol systems

Johnson Controls DP140005U21D Transducer 326058-756 This constant pilot control integratesThe Johnson Controls DP140005U21D is a high precision low differential pressure transducer engineered for critical airflow monitoring in HVAC and building automation systems. With a 0 5" wc pressure range and unidirectional sensing, this unit is optimized for static pressure control and VAV applications. It features a robust IP67 rated housing, ensuring reliable performance in demanding environments prone to dust and moisture. The 4 20mA output signal