![]() This specific kit is designed for systems that use 1.5" TC ports and accessories (e.g. Allowing a majority of the pump's flow to bypass to the whirlpool makes it very easy to fine tune the recirculation flow as the pressure is greatly diminished. Our recommendation during the mash is to open the whirlpool valve fully and then throttle the recirculation valve to deliver about 1.5 liters per minute to the recirculation. Both of those flows can be fully open, fully closed or any mix you wish. Our solution to all these situations is to split the output of the pump to deliver the flow to both the whirlpool port as well as the upper recirculation port. That flow rate is approximately 1.5 liters per minute but it is quite difficult to accurately set a valve to deliver that slow flow with a typical powerful brewing pump. ![]() If not, you can fully expose the element to air and cause a scorching dry fire. The recirculation flow over the top of the mash must be carefully throttled to avoid over-pumping faster than the mash/basket/bag can flow.These systems typically have a whirlpool port for stirring (whirlpooling) the wort post boil, but can easily be leveraged for stirring to keep the temperature homogeneous in the entire dead space.Specifically in electric heated systems, the heat source is a relatively small area that heats up quickly while the temperature probe is sufficiently far away that it never quite senses the average temp of the entire dead space if it is allowed to sit still.Any single vessel system with a sizable deadspace below or to the sides of the bag or basket will greatly benefit from constant stirring of that area during the mash for a few reasons:
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