What size of breaker is required for the QuietWarmth Thermostats? Table of Contents Join Our Newsletter You are about to install your new flooring. As you lay the first plank you realize that Name(Required) First Email(Required) HiddenHubspot Form Source CAPTCHA Share Categories Carpet Pad Floor Underlayment Radiant Floor Heating Surface Protection Uncategorized Under Deck Ceiling Post navigation Previous: Is there a thermostat version without the built-in GFCI? My local code states that I MUST use a GFCI breaker at the panel. If I have a GFCI breaker at the panel and then another GFCI built-in to your thermostat they will not work. What is my solution?Next: I need a user’s manual for my QuietWarmth thermostat. Do you have a download?