Bosch

www.bosch-thermotechnology.com/gb/en/ocs/commercial-industrial/hiu-18516083-p/

Test 1:

HIU Serial Number: 5570-273-000011-7735600660

Model: Greenstar HIU E

Test 2:

HIU Serial Number: 5570-273-000010-773560062

Model: Greenstar HIU KE