BTW, the one minute I use, is for each polarity. So it is really only 30 full cycles per hour.

Marshall

On 4/12/2020 2:12 PM, Gm Gm wrote:
Hi there:
Just wondering if anyone has done any experimenting with the timing for polarity reversal. Not doubting the 1 minute at all. But at that rate, that would be 60 cycles an hour, and 600 cycles for a 10 hour brew. Since I make several brews at a time, that is a lot of wear and tear on the relays. Does anyone know the lifetime cycles those relays can handle before failure? I am going to be using a DH 48S-2Z unit from Amazon.
   Thank you... Regards Grant.


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