He had been under treatment for a heart ailment for the last eight years.
Phra-kru Udom Vetchakit entered the monkhood in 1962 at the age of 37 yrs. He became Abbot in 1989.
During his time as head monk of Wat Chalong he presided over a programme of construction that included the Phramahathatchedi-Jomthaibarameepragat, or Mondop, with its distinctive spire, at a cost of B16 million.
The foundation ceremony for that was conducted in 1993 by HRH Crown Prince Maha Vajiralongkorn, who returned in 2002 to preside over the installation of a bone from the Buddha in the top of the completed Mondop.