Jura Thermoblock Anodizer (also called Heat Exchanger) is used in the following Jura Impressa models:
J5, J9, J80, J90, XJ9
Z5, Z7, Z9,
GIGA 5, GIGA W3 and GIGA X7
Thermoblock Anodizer (Heat exchanger) is located beside the Ceramic Valve and below the thermoblock/boiler. Typically, Thermoblock Anodizer starts to leak due to scale build up in the Jura machines. Jura part number 10099.