ah correction, the evap mass is not an issue, was liquid sluggin, I cannot turn the 3rd stage off and on in hust a while when evap is flooded full of cold liquid which doesn't boil off , it just rushes back even with inverted strainer
Faced one oil freeze on mid stage today... think my 2nd stage HX is full of oil in the evaporating side as it was recycled from a previous 2 stager.
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