Question about Rinnai RHFE-1004FA 38,400 BTU Energy Saver Ductless Heater - LP Gas

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My new RHFE-1004FA has a slight whistle to it.

Went to camp today to start the furnace for the winter. When I fired it up it seems to have a slight whistle that is intermediate. It didn't do that this fall when I installed it. I did add a propane tank. Is it possible it has air in the line? If so how do I purge it?

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  • bjd9 Nov 23, 2008

    Please help!

  • Mark Habeeb Dec 08, 2008

    I have the same problem with my 1004FA.Talked to tech. support they said it was from having high traces of methanol in the LP tanks.You have to use a manometer to adjust the air shutter on your Rinnai.



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May have a bad regulator on the tank or bad gas pressure. The colder it is, the less gas pressure you get out of the tank.

Posted on Jan 05, 2009


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