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Hard to tell sizes from your pictures so you'll have to adapt this answer to the actual sizes of your fittings.
Assuming the blue pipe is 3/8 inch PEX, and the fitting highlighted here is a 1/2 inch hose connected to a 1/2 inch threaded nipple:
Then one way to do this would be to insert, at that connection point, another threaded Tee, another threaded ...
4
It is simply that you are further away from the source of hot water. You need to purge all of the standing water in the pipes leading to the second/third floor from the water heater in your garage before you get to the hot water from your water heater.
If you are allowed to make modifications, you could have a recirculation pump installed to constantly ...
1
Since you don't seem to have any problems with leakage from the condensate drain, you know that line goes somewhere safe - i.e. through plumbing and out of the house.
The purpose and destination of the other cut piece of tubing is speculative on your part, and there's no telling where it may go. It's possible that the other end was cut and left loose in a ...
1
Forget the walls...
Water should be stopped at its point of entry. Because you suggest building "walls around the sump pump", then I assume that water is entering your basement at that point. It is the sump pump's job to remove water from the basement.
If the sump pump is able to remove water faster than it comes in, then it will keep the basement ...
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