Refrigerated & Heating Bath Circulators - Brookfield Questions about this product? Contact us for more information or invite an offerHorizontal TabsDescriptionBrookfield Temperature Control.These water baths, with or without cooling all have an external circulation loop . So connecting Brookfield accessories will happen without any problems. There are 3 types of controllers depending on the need to communicate with a PC and the desired temperature range. Product infoBrookfield_BathCirculators.pdf Name Company Address Phone number E-mail Subject Question Dear Elscolab, I would like more information concerning this product: Refrigerated & Heating Bath Circulators - Brookfield. Leave this field blank Home page