AR403 & AR303 Valve Kit
AR2389 is the valve replacement kit for the Hypro D303 and D403 diaphragm pumps. Pump valves may become worn over time which will affect the pump performance. A common symptom of a bad valve is excessive pulsation in the suction and agitation lines.
9910-Kit2388 comes with six complete valve assemblies and six replacement valve O-rings.