This is a special Multi-Tap transformer manufactured by Avnan Electronics for use with most of Trevor-Martin Corporation's Digital Pool Heaters. It is compatible with Viconics and Voyage manufactured Digital Controllers.

It features the ability to convert multiple inputs to multiple outputs via hardwired leads, supplying 12-volts to the controller and 24-volts to the contactor coils.

Input: 208V and 240V at 50/60Hz
Output: 0V, 12V and 24V
All technical questions should be directed to Trevor-Martin Corporation via the information found on their website.