Originally Posted by skiman
The original receptacle is now a timer that controls the heater. The issue in the code is due to electric cords plugged into the receptacle. I am going to swap the timer for a line voltage thermostat to get better control of the temperatures. After extended running, the floor doesn't really get warm. The directions do call out 6 inches, but that is not an issue in practice.
Probably the biggest concern is letting bedding hang down in front of the heater. We use a Tavasak and that stays in check pretty well. I am not sure how sheets and blankets do. In general I like the setup much better than a cube heater that can get pointed in any direction sitting on the floor. For that matter items tend to get stashed in front of the furnace under the dinette if you are not careful. Common sense must be used with any heat source.
One of the reasons for the 6 " clearance is that subjecting combustible materials to long periods of heat lowers the combustion point of the material.
This issue became apparent when recessed lighting fixtures were causing ceiling joists to ignite. Also be aware that line voltage thermostats are notoriously bad for holding setpoint
They do make a line voltage stat with anticipation which is far more accurate .
Being a licensed master electrician , I could not pick and choose which code rules I wished to follow. You may do as you wish.