Thermo Technologies
Thermo Technologies offers quality components for balanced solar heating systems.
> Controllers, Sensors, Electronic controls, parts
- USDT 2004B Basic Solar Differential Controller - digital display, adjustable trigger from 4.1°F to 99°F, 115vac
- USDT-2004A Advanced Solar Differential Controller - digital display, calculates energy collection/consumption, adjustable trigger from 1°F to 50°F, 115vac

