Replacement balls, seats, air valve assemblies, clamps, etc. are all available locally at ABET Distributing USA, Inc., Pasadena, TX. ABET also stocks a variety of different AODD pumps. With a full service repair shop, ABET can diagnose and repair not only diaphragm pumps, but pumps of any make/model.
Give us a call or check out the ABET website for more information. (713)-213-8091