You can set independent ON and OFF points for each of the four relays between 0

and pumps maintain optimal airflow

As the direct updated replacement for the Watts 0068531

Vandalism Prevention: Heavy-duty cast metal housing prevents unauthorized setpoint changes and physical damage

provided the voltage

GC Valves S202GF02N5DG4 Solenoid Valve THPU32HP7Y You can set independent ONThe GC Valves S202GF02N5DG4 Solenoid Valve is a professional grade, 2 way normally open solenoid valve designed for reliable flow control in high demand HVACR and industrial fluid systems. Built with a heavy duty brass body and a 5 8" orifice, this 1 2" NPT solenoid valve utilizes a pilot operated diaphragm to achieve a zero differential pressure rating, making it ideal for low pressure applications. The 120Vac coil is Class F rated for superior