<prompt> Translate the following text to EnglishKwa hiyo, interface ya mitambo kati ya ACI mfumo na boiler ni kupitia kuta duct, na high-kiwango boiler bomba si kuathiriwa na retrofit ya ACI.  <response>: Therefore, the mechanical interface between the ACI system and the boiler is through the duct walls, and high-pressure boiler tubing will not be affected by the retrofit of ACI. 