Please note when choosing a cold thermostat for a B3.1 - this product is suitable for all B3.1's with circular direct chill tanks. These are found in the following B3.1 dispense options: Chilled & Sparkling, Chilled, Ambient & Sparkling, and Chilled Hot & Sparkling.
For B3.1 reservoir models and models with rectangular direct chill tanks - including: Chilled & Ambient, or Chilled, Hot & Ambient you will need item number
173251.
