The TrolMaster DSP-1 program device module (timer module) works as a multi-function timer. The DSP-1 allows the user to easily connect any device that needs to be controlled by TIME to the Hydro-x / Aqua-X. Any device that is 10-amps at 120 volts or less can be controlled by the DSP-1. All sales are final
* Use this device plugged into your 24v board and when the board opens a valve, it will also turn on the pump.