AR North America – Kit – Diaphragm D303/403

Annovi Reverberi AR43287 repair kit to replace worn out diaphragms on the Annovi Reverberi AR403 or AR303 Diaphragm Pump.

Diaphragms typically should be replaced every 3 months or after 500 hours of use. If you notice a milky grey color in the oil sight glass, this usually indicates the diaphragms are damaged and need replacing.