- Knowledge Base
- User Manuals
Heater Circulators (TU-1500 and TU3)
User manuals are sorted by product serial number and model codes. The first 4 digits of the serial number represent the manufacture date (YYMM) eg, 2203-XXXX = March 2022 build date.
Models: TU3, TU3-2000W
October 2023 - current (2310 - current)
Models: TU-1500 TU-1500B