I hope this is not to confusing.

Let me get this straight.



Lamp into timer, timer (with the UTH) into thermostat, thermostat into the wall outlet. Right?



The lamp and UTH will have to be on two different power sources.



If the lamp and timer (which has a 12 hour cycle) is plugged into the thermostat, lets say that this is a Ranco type thermostat which is the “on off” type and this thermostat in theory is on half the time and off half the time cycling the heat. Then say when the timer is off for the 12 hour off cycle it will not come back on for 24 hours because the thermostat is shutting off the power to the timer and the UTH half the time. Another words the timing with get way off. During your day cycle when the thermostat shuts off the power to the UTH it is also shutting off the timer still getting your timing way off.



If this is a thermostat that is a proportional type which adjusts the amount of power to what ever is plugged in, there may not be enough power to run the timer and you may run the risk of a FIRE.
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Jeff

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