4 of these seats are used in the pump. 2 in the pump head, 1 in the injector and 1 in the suction foot valve. If your pump is loosing prime, replace the valve seats. This takes care of most priming problems.
Do not use for chlorine or bleach applications. We recommend using the Viton Valve Seats Instead. They will last much longer when using chlorine or bleach.
Chem-Tech Series 100/150 pumps are manufactured to offer optimum performance, and extreme durability when metering chemical solutions at different outputs. These diaphragm-type metering pumps are...