Update! When all else fails go directly to the source! I called Gerard and they solved my problem! The HWH works fine the problem was low water pressure! Evidently it needs to be 60 psi or higher!
As for the bypass valve, it works with or without! For winterization it makes it simpler but can be problematic!
Anyway looking forward to a hot shower tonight!
Once agin thanks to everyone for trying to help! Much appreciated!
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