A/C Flush

Discussion in 'General Maintenance/Repair Questions' started by BobFino, Jul 31, 2021.

  1. BobFino

    BobFino Active Member SILVER Sponsor

    Aug 26, 2010
    Virginia Beach
    Sea Ray 550 Sedan Bridge 2005.
    MAN 900
    Twin Disc MG-5114
    I have flushed my lines out with fresh water but I would like to do a closed loop with some descaler like Barnacle Buster. The supply line from the sea strainer is easy. However, I cannot find where the return line is feeding the outlet tubes. Since it drains from both sides there must be a Y somewhere in the line to connect to and flush the system. I see nothing of the sort in the engine room. Any help is always appreciated.

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