This is Rola-Chem’s Pro Series 300 RC305MC Peristaltic Pump with a maximum feed rate of 38 GPD at 25 PSI. The Pro Series 300 features a fully digital timer and refined dosing increments for more precise control. It includes 1/4 inch plastic injection adapter and 1/2 inch brass injection fitting. The model RC301MC Pro Series 300 is recommended for pools 65,000 to 200,000 gallons. Max per California Code is 127,000 gallons.
The Pro Series 300 Pumps into one PVC 3/8 inch Barb x 1/4 inch NPT check valve and one PVC 3/8 inch x 3/8 inch Barb check valve.