Oh YES!
I need a few of differential controllers around here . . . . .
Attic Fan . . . . ++ I think this would be a big "market" for these . . . .+++
Pool Solar heater . . .
Updated domestic water heater . . . . .
First thought Idino Know nothing about them but they are flashable, displayable, and output controllable for a decent price . . . . seems like overkill tough . . . .
Have also thought in the past about some sort of electric way to wire up temp sensors and relays to do the same thing; but I can't remember my idea now, and may have been dreaming . . . .
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