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Baxi HT380 hot water cycles

rad33rad33 Member Posts: 1
Hello to all.
Having this issue for the past couple of weeks. Hot water will turn cold for a minute then get hot again and will get cold again but will recover. Will probably happen 2x or 3x in a 10 minute span so showers are quick but the girls are complaining about it.
I have pulled and cleaned the NCT sensor but it didn't help. Due to where I'm at parts cannot be procured right away. I'd like to change the NCT sensor.
I also would like to change the flow sensor but I'm having trouble finding it. Is it the one beside the NCT sensor?
I seem to have the same issue as this fellow and would like to confirm if that can possibly fix the issue;

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