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southern MN | For a true 220v resistance heater, you may only have 2 hot wires, both _should_ be 120v. If nothing else needs 120v, then you would not have a nuetral wire. Today we should have a ground (bare/green) wire, but in old instalations might not be.
So, you have 1 hot working.
The other isn't.
And you only have those 2 wires.
Are we on the same page?
It's common for 120v to bleed through around resistance heaters, it could be feeding oddly & tricking you into thinking it is there, when it is not coming from the breaker box. May have to disconnect them all to find true readings at their inputs.
Something whacked out one of your hot lines going to the heaters. You say they are on seperate breakers - are the breakers hot on both sides, or did the problem happen upstream of these breakers?
--->Paul
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What I missing here. Elec. Singer Basebroad Heaters
