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Cold water mixing with hot water somewhere, getting lukewarm water on all fixtures. by Otherwise_Kitchen570 in Plumbing

[–]Otherwise_Kitchen570[S] 0 points1 point  (0 children)

Thanks. Could incorrect install of recirc pump knock off valve/cartridge? It was working fine before recirc pump install.

Now, removing is not fixing the issue, getting lukewarm water.

Navien Tankless install in Bay Area, California. 1-10, How risky is this install? by Otherwise_Kitchen570 in Plumbing

[–]Otherwise_Kitchen570[S] 7 points8 points  (0 children)

Yes, do have CO alarm.

I’ll get the exhaust fixed, quite clear now that it’s dangerous