I have an older Cal Spa hot tub. The control transformer has three leads on the load side. Does anyone out there know what voltage the low side is supposed to be and why they would use three leads instead of two?
I have an older Cal Spa hot tub. The control transformer has three leads on the load side. Does anyone out there know what voltage the low side is supposed to be and why they would use three leads instead of two?
If it has three leads on the load side, it's supplying two different output voltages
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