The water heater started leaking, the hydrofor started leaking, the pipes had several dead ends, no of it fastened to the walls, and what's not clear in the 1st picture is the complete mess at the pump.
New water heater, new hydropress, pipes mounted to the walls, re-routed electricity. Re-used what I could, but much is new. My pride: I could not get a flens that fitted the pump (yeah, an industrial one of twice the price of a similar jetpump). I found I could remove the flens and fit a coupling I have in a box for over 30 years and survived 3 moves. Removing it was exciting, it had been in place for 40+ years but I managed without damaging the cast irons pump housing.
There is still some 'floating' pipes to fix, but over 95% of the job is done. Man, did that improve the water flow !!!
No filter bypass?
Also that screw on the top of your pressure tank isn’t for pressure monitoring. They are normally for mounting a pump, or for a ring to use a crane to more them around.
no, always had it without bypass.
I got instructed by the supplier that it's just that what's it's for. You can choose to use a blind-plug to seal it off, or -like I did- use it for water pressure monitoring. No one will hook it to a crane ( empty it's way less than 20Kg )