I am remodeling my kitchen and am planning on putting in a in-floor
heating mat with a programmable thermostat. The instructions for the
mat said to install a 4" square outlet box and run condit down to the
floor, which I did. I susepect the 4" square box's size is needed to
support the cabling and the cutout for the conduit feed.. My question
comes from the fact that the thermostat looks this fit on a one-gang
outleb box. what covers the 4" square metal box that allows for the
thermostat to secure to it as a one-gang box. Also, is there
decorative face plates for a 4" box?
You can get all sorts of covers for a 4" box with a single opening in
the center, AKA 2 gang center mount.
They make them for toggle switches, GFCI and duplicate receptacles.
Another option is to use a blank cover and make your own opening.
I found this site via Google...
Look here for metal:
Start here for wood. Click any species and you'll see that they come
in loads of configurations, including 2 gang center mount.
What you want is a 4" square "bang on" box. you nail it to the side of a
stud, flush with the stud. In your case, you want a 4" square to single gang
reducing cover. These reducers come in a variety of depths. If you're using
1/2" sheetrock, you get the reducing cover with a 1/2" raise. The line
voltage thermostat will attach to the reducing cover, which screws to the
You suspect? Haven't you read the instructions to the end yet? :)
There are blank face plates, iirc in 3 or 4 plain finishes.
I think there are squarish boxes that are "round boxes" with squarish
corners, and there are 2-gang boxes for two switches, etc. side by
side. Could it be you're looking at the wrong one?
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