![]() Whereas an immersion chiller cools the wort by flowing cold water through a copper coil immersed directly into the wort, counter-flow chillers work by running hot wort through a narrowbore tube from one vessel to another while cold water runs in the opposite direction through a widerbore tube that jackets the inner wort-filled tube. Anything a brewer can do to lower the possibility of infection should be done whenever possible, and a counterflow system is one way of reducing the risks. Although immersion wort chillers can be placed in boiling water or directly into the boiling wort to sterilize them before use, Dean’s concerns about introducing foreign agents into his wort are well understood and well founded. Classified ads are a good place to find an inexpensive unit that will suit your system needs.ĭean currently uses an open immersion chiller, but he’d like to switch to a closed system to decrease the possibility of infection. A complete draft system consisting of a new 5-gal stainless steel keg, carbon dioxide tank, dual-gauge gas regulator, and the necessary hoses and fittings can be purchased for about $ 230 through brewing suppliers, and a used refrigerator can cost as little as $ 30, depending on where you buy it. ![]() ![]() Nevertheless, with some ingenuity and patience, a relatively inexpensive system can be assembled for about S350. The set sells for about $ 1100 and is available through many homebrew supply stores. high), which includes a carbon dioxide tank and keg. One such unit is the BeverageAir, a complete keg-and-cabinet set (24 in. The exception to this would be an integral refrigeration-cabinet draft system, which can sell for over $ 1000. Although many retail home-brew suppliers sell complete keg systems and system components, refrigeration units are sold separately. Not everyone is as lucky as Calandra, whose business affords her access to a large cooler.
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