Brewpub Systems The ABT 15-barrel/17.25-hectoliter Brewing System Available with polished stainless steel brewhouse vessels Available with steam heating Modular brewhouse design, available either in a 2-Vessel version (brewkettle/whirlpool and mash/lauter tun, shown above), or 4-Vessel version with separate brewkettle, whirlpool, mash tun and lauter tun. Optional hot and cold liquor tanks are also available Click here for system specifications Click here for brewhouse photographs Click here for brewhouse drawings