The absolute best guy I have ever worked with is Bill Wagoner at Mountain Clear Water Systems. His number is 1-316-733-1041 and his website is fleckvalves.com
wood brothers industries. They are not set up for internet sales (They sell to other softener companies) but their prices are hard to beat. Cliff is the tech support guy there.
Update on parts & support.Pacific water co out of SLC got my parts coming and tech advice was appreciated. Pacific water answered on first try. I'm still waiting to hear from Mountain Clear Water System as of 11:00am.