The 3.1 BT I was using had auto/manual header pins for heat outputs and I used a BT relay board fro valves. The current plan is low tech...with a old Brewtroller relay board for the valves. I am using on/off/on 3 way switches and was curious how others were setting up heat and valves (I have power open - power closed style valves).
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Best way to wire pump and heat panel switches
3 years 5 months ago #605