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  • Upcoming Events

    • 27 April 2024 02:00 PM Until 03:00 PM
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      All Appliantology tech members are invited to join in this workshop on all things Appliantological. 
      We have a special session planned for this one. Instead of the usual Show 'n Tell on a technical topic, we're going to post tech sheets in the comments to this Calendar Event (scroll down to see what's posted so far) and ask specific questions that can only be answered by reading the tech sheet. If you at least try to answer the questions beforehand, you'll get a lot more out of it. 
      I'll be posting a couple more tech sheets before Saturday so be sure to follow this event to keep up with the tech sheets we'll be going through. 
      Who: This workshop is only available to tech members at Appliantology.
      When: Saturday, April 27 @10:00 AM Eastern Time.
      Where: Online via Zoom
      How:
      Click here to go to the forum topic with the registration link. If you're interested, register now. Arrive a couple minutes early to make sure your connection is working. Set a reminder for yourself for this workshop so you don’t miss it.  And check out past workshops here: https://appliantology.org/announcement/33-webinar-recordings-index-page/

Rheem Powervent 21VP40-1--No Hot Water


Bada Bing

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This morning the hot water was rather cool; then later in the morning, washing dishes, the water had warmed a bit and quickly went cool; and now, after a few hours, the water is plain cold. I went downstairs to find the water heater apparently doing something (it's making a noise like it's heating and something's venting, but no hot water). No pilot light in this unit. The solid lighting unit, or whatever that's called, has a little green diode flashing on and off. Any troubleshooting guidelines? There is an on/off switch in there and also a gas on and off lever. There might be a reset button.

I'm guessing the unit dates to 1994, as 94 is the third-fourth digits of the serial number.

Thanks!

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