Well you could take the tec out of the swifty and put it in the maze.
Or measure the volts/amps that the maze4 tec is taking, i know dd have shipped some dubious tecs before also.
Although it could be something as simple as core contact. Do you have the water temps of the swifty setup vs the maze setup also? What is the flow rate of the pump?
Much more infos needed...
]JR[
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