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  1. rzyzzy

    AC Refrigerant lines: Braze or Solder?

    You might want to just hire the brazing done. You're supposed to flow a small amount of nitrogen through the lineset while brazing to prevent the pipes from getting black residue inside them - the residue could ruin your compressor. You can cook the valves if you aren't fast with the torch...
  2. rzyzzy

    Just FYI Heat Pump Water Heaters

    FWIW, I installed an airtap unit on my house in July, along with a new cheapie ($200) 50 gallon electric water heater( I just leave the breaker off, so it's basically just a tank). So far, it's worked fine - it sounds just like one of those $99 window air conditioners when it runs - not...
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