Updated by Stephen Best, who gave this as the source of the information: I was present for the dedication of the electronic device that replaced it.
The organ was "traded" for a home-built electronic instrument in 2004. The maker of that instrument left the area and the electronic organ stopped working, leaving the church without an organ.
Updated through online information from James R. Stettner. -- Clark Mills, New York does not exist on the geographical Estey opus list. Perhaps this is a second-hand installation?
Status Note: There 1997