Navien error code time!! Yes it's fixed now 😎

[@wack1855]

Thank you for the info,no hot water because of exaust code.cleaning filter and all good. Appreciate the video.

[@Sleepyplumbr]

I'm glad I could help! Thanks for watching 🤙

[@MichaelSmith-pg6gi]

Dude a troubleshooting a gas furnace is the same way as that

[@Sleepyplumbr]

Good for that! Never worked on a furnace myself

[@mikestahlman]

So what was it?

[@Sleepyplumbr]

I never found anything after checking it all. Haven't had issues since. Maybe just a good reset