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okay52

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About okay52

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  1. Dear Readers, I am looking for the spare part electronic controller board of Hitachi air conditioner (indoor unit model RAS-13CZ2). It is old unit and Hitachi doesn't carry the part anymore. I wonder if anyone knows where to find the part from second market? I was told some big aircon sellers, e.g. Gain City, Best Denki, etc, keep old units in their warehouse after their contractors have installed new units and take back the old units. Thanks.
  2. Dear Tailgatepro, I know this original posting is old. But I hope TailgatePro reads my question... Could you share your story on how you used the FREON detector to find the leak? Did you test around connection points, e.g. compressor - pipe, pipe - blower unit, or everywhere (from compressor - pipe - blower unit)? Are your pipes hidden in false ceiling? Thanks. =Alex
  3. WHere is/are the locations of the leaks? How did the contractor confirm the leak and sure it's the pipe? If the pipes are concealed by a false ceiling, then it will require major work/renovation - hacking/sawing ceiling/walls, remove old pipes and install new pipes, testing, patch up the hacked ceiling/walls. The hacking/sawing and patching of ceiling/walls can run around $2000 or more (I was told) One of my air conditions also leaks. After topping up the gas, the unit can blow cooled air for few days, then back to blowing normal air like a fan. So far I don't know where the leak is or if it's the pipe, or the pipe-joints or connection points (between compressor - pipe, or pipe - blower unit).
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