The valves included in this Hypro Valve Repair Kit - 9910-KIT2388 can be used as suitable replacements for damaged valves on the Hypro D403 Diaphragm Pump.
If you notice you are not getting the pressure you used to, this may indicate the valves are damaged and need to be replaced. Inspect the valves for any damage and replace when necessary.
If you use your Hypro D403 on a regular basis, it is recommended to replace the valves every 6 months or 1000 hours to ensure your pump stays reliable in the field.
Hypro 9910-KIT2388 Valve Repair Kit includes: