thermostat or not or what?
use a restrictor if you run a mechanical pump, use no restrictor if an electric pump, we try to start our pass with the temp at 140 every pass the same temp, temp variance has a great factor in the elapsed time, so manually controling the temp is the key,
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use a restrictor if you run a mechanical pump, use no restrictor if an electric pump, we try to start our pass with the temp at 140 every pass the same temp, temp variance has a great factor in the elapsed time, so manually controling the temp is the key,
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