Questions & Answers for: RTO comfort zone

...to farieheit on comfort zone heater To change your heater display from Celsius to Fahrenheit: press and hold the "down" button and the "enter" buttons simultaneously for 5 seconds and release. - ...

thermostate not accurate switches on and off but not predictable I had the same problem, with a brand new unit. I wrote to the distributor, who said that I needed a new control board. They asked me a ...

How do you calibrate heater.The temperature on the heater does not match the wall temp possible bad temp sensor

Heater won't run Our heater will turn on but only run for a max of 10minutes. It was purchased as a Christmas gift for us this year and has only been in use for a few months. I've vacuumed

I have this model and it turns on then automatically off showing A03 display and turns off. What does that mean and how do I fix it? One of the heat tubes has failed.. need to replace the bad tube.

What is the A05 message mean? A05 overheat condition, you must clean thoroughly, press the helpful button check recirculation pump

Comfort zone infrared heater keeps flashing A05 what does this mean? A05 code is over heat error, unit has to be cleaned thoroughly. take unit apart and clean, I use a rag,brush,vacuum and compressed ...