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Originally Posted by Viso1964  The white wires are all capped together and do not run through the thermostat. When I test the supply at all three heaters, I read 240v so that part seems to be working fine. |
So at the t-stat, only 3 of the 4 wires are used?
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| 1. Does the current wiring make sense? |
Are you able to draw or take a photo and put on here for us to see your set up?
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2. What type of thermostat can I replace this with? 2-pole?
4-pole? Any other restrictions or specifications? |
Any of them can work.
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| 3. Can someone recommend a simple programmable thermostat that can handle 4000w at 240v? |
Not sure about your area if Home Depot has it, but down here we have the Honeywell Line Voltage t-stat that can work. It's model #RLV430A
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| 5. Is this a simple job or should I leave this to a professional? |
I don't think it's going to be too bad... Seems like you got a good ideal of what's going on there when you did a voltage reading.