JoshF Posted November 22, 2020 Report Share Posted November 22, 2020 I have a much older Caldera Geneva and quite some time ago after my wife drained and filled, I noticed bubbles coming out of the heater line. I can hear it in the line and if it was just annoying that would be fine but ever few days it kicks the watchdog and I come out to find a the flashing dashes. I've burped from the pumps and even drained & refilled but its still there. Any thoughts on the best way to purge the heater line of air? Quote Link to comment Share on other sites More sharing options...
RDspaguy Posted November 22, 2020 Report Share Posted November 22, 2020 Well, I need more details. Older than what by how much? Did you fill through the filter well? Post a pic of your equipment area. Remove your filters. 3 hours ago, JoshF said: bubbles coming out of the heater line. Unless it's the oldest Caldera I have ever heard of, it's supposed to have a tiny bubbles streaming from the heat return. These are from the ozone injection. If they are large, individual bubbles then you have a flow issue, such as clogged filters or a failing circulation pump or pressure switch. Do you have a multimeter? 3 hours ago, JoshF said: hear it in the line Are you sure of what you are hearing? A failing circulation pump can cause a vibration and slushy sound. Quote Link to comment Share on other sites More sharing options...
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