QH521

Control Thermostat

QH521

Control Thermostat

Control Thermostat - Dual Sensing Air / Floor

Where To Buy
  • Programmable or non-prog, 10 to 30 V(ac/dc) thermostat that includes Installer and User Access levels
  • Applications include 1 Stage or 2 Stage Heat with or without Fan, and 1 Stage Heat/Cool with Fan
  • QH521 is Dual Sensing and includes optional remote sensor that can input Room, Floor, or Outdoor temperature
  • Features Permanent Temp Hold Button, Backlight, Time Clock w/4 hr Battery-Free Backup, and Optimum Start