No, this will not replace the pressure switch 205-128A. I talked to Beverage Air and they said that they no longer use pressure switches on their equipment. However, they were able to give me technical info about the pressure switch you are trying to replace. (see below)
Manufacturer: Texas Instruments Sensors & Controls -"Klixon"
MFG Part #: 26PS XXX M D 400 K 300 R
Part Name: Pressure Switch
I recommend contacting Klixon to see if they have a replacement switch:http://www.sensata.com/contact/klix...
US & Canada Customer Service Rep:
Name: Betty Detore