Cleaning Navien Vent Pipe

Discussion in 'Tankless Water Heater Forum' started by Jrv, Mar 23, 2021.

  1. Jrv

    Jrv New Member

    Jan 10, 2021
    I’m getting ready to do my yearly maintenance on my Navion 240A And was just wondering if there is a suggested way of cleaning the vent pipe. I know the intake has that little screen but I was wondering what happens if flies or other insects go into the exhaust pipe, do they just get burned up in the heat exchanger ? I don’t see cleaning the vent pipe of insects anywhere in the manual or a suggested time frame to do it but I can’t imagine what would happen over the years if you don’t.
    Or is this not really a concern.
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