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Old 10-05-2009, 12:03 PM   #1
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Why won't my warmtiles heater floor work?


Checked to see if there was available circuit on panel, and there was. Hired electrician to run wire from panel to thermostat and from t-stat to floor sensor. Installed wire in sort of a zig zag pattern fixed at two-inch intervals with glue gun. Tested at t-stat location to make sure it was live. Poured thinset. Then installed tile. Now it won't work. Figured maybe there was damage during laying of tile, so used an electric reader to go over tile inch by inch and got strong reading in some spots and weak reading in other spots. Strong & weak readings were totally randomly distributed. Couldn't figure out where damage was so pulled up tile, planning to demo wire and install new wire. Now tile has been removed, and looking at the wire can't find any broken places or frayed places, so still don't know what was wrong. Can anyone suggest any possibilities for what happened?

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Old 10-05-2009, 01:14 PM   #2
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Why won't my warmtiles heater floor work?


before you lifted the tile...actually before you laid the tile, you need to take a continuity reading of the heating element. The manufacturer may have provided a specific ohms per foot reading you should read.

so, you get an ohm meter and check the heating element. If there is a manufacturers spec, calculate what it should be (ohms per foot X total footage of element) and see if it comes out right.


You also need to make sure the proper voltage is being used. 120 or 240.

then, if all that is fine, (and since you do not have the tiles in place, this is all done prior to laying the tile although do not run the heater for very long. It may need to tiles for a heat sink so as to not damage the element), hook up the entire thing and set the t-stat so it calls for heat. Check to be sure you are getting voltage through the t-stat and to the elements.

you should now get heat at the element.

one thing you need to understand: an underfloor heating system is not going to heat up real hot or real fast. It takes a while to heat (especially since it needs to warm up its entire heat sink) and it will only get warm, not hot.

one other thing; not knowing your specific brand of heating element, there most likely is a minimum radius for the bends in the element. If you exceeded this limitation, you may have damaged the element and the only fix it to replace it.

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Old 10-05-2009, 03:49 PM   #3
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Why won't my warmtiles heater floor work?


Probably not the issue, but for me it's usually something stupid, ...so....Did you check the GFCI on the Thermostat
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