- Removable Setpoint Knob Locks Setpoint and Prevents Tampering
- Use With Q651A,B Subbases For System and Fan Switching
- Provide Good Line Voltage Comfort Control
- With Locking Cover
Heavy Duty Line Voltage Thermostats used to control fan coils, fans, motor starters, valves, contactors, and circulator motors in heating and/or cooling systems.