On Nov 28, 2:26 am, wrote:
Have a Anaheim Manf Co. Quick n' Hot dispenser with a dual faucet
dispenser. The 3/8" supply line the plumber installed deteriorated

I can't speak to your specific situation, but the manufacturer has a
detailed animation that walks you through the installation steps:

http://www.anaheimmfg.com/

If you can disconnect the dispenser you may be able to give yourself
some more room to work...