Thanks to "MASSPLUMBER"'s excellent advise I have successfully removed our old jacuzzi and also old shower stall. Now am going to repair holes in flooring which I had to cut to facilitate accessing drains and water supply pipes for old above units.Then install new sub floor over original 1"x12"plank flooring and then tile same. BUT.. before I do the floor reconstruction I'm going to have to re-route the water supply lines to a new location for a new soaker tub and also a new shower. I'm thinking of going from the existing copper to "Pex", using (new to me) "Sharkbite" connectors. I have read many reviews on them, some con. But great majority positive. I have no problem with "sweating joints but due to the floor cavity being extremely tight and surrounded by dry 100 yr. Old dry woodwork I'm hesitant to introduce my torch into it...My question is..would you seal these "Sharks" into an inaccessible area under a tile floor or behind drywall.
Thanks for any advise or suggestions... CORNEY