Where To Buy

QH521 Control Thermostat

Control Thermostat - Dual Sensing Air / Floor

  • Features & Benefits
  • Resources
  • 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

Product Resources

Spec Sheets & Install