Heater Circulators

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

May 2024 - current (2405 - current)