HTR-RF20 Wireless Dial Thermostat | 1.2. Wiring Diagram | Help Center
1.2. Wiring Diagram
HTR-RF 20 - Wiring Diagram
HTR-RF(20) : Wiring Diagram (1.3.2) . The HTR-RF(20) requires no wiring, simply install 2 AA Alkaline batteries. __________________________