Chemical selector valve has 3-way setting: off, prime, and chemical. Fits most Prochem, BLUEline, HydraMaster and Sapphire Scientific truck mount units.
This 1/8" female pipe thread chemical metering valve will fit most Prochem, BLUEline, Sapphire Scientific and HydraMaster units.
Stainless steel chemical pump by General Pumps.
This check valve fits most Prochem stainless steel chemical pumps.