Quest/Siebel   Quest International is the flavor development company that purchased the product development group from the Siebel Institute.  This is a 5 gallon steam-fired system.  The Cereal Cooker (second from he left) and Mash Tun (on the right) both have variable speed mixers. They feed a seperate hot water-jacketed Lauter Tun. The pump (below the Cereal Cooker and Mash Tun)  is a variable speed flexible impeller pump - it move the cereal and mash to the Lauter Tun (and back again)   The sparge water from the Hot Liquor Tank (far left - top photo) and sweet wort from the Lauter Tun (below the Control Panel) are moved at the same time with a digitally controled dual head parastaltic pump (you can control in the lpm). The Brew Kettle (far right) is set up with a autoshift (from high fire to low fire) to prevent boilovers and is also equiped with a glycol cold Vapor Recovery System (for analyzing the boiloff ).   The wort is then pumped with a variable speed  #4 Thomsen pump to the whirlpool (far right) and then through a small glycol cooled plate heat exchanger (botom right).