My home was built in 1994 and the shower/tub trim kit I'd like to replace is original (see pic). I thought that it was a 1500 series so I bought RP32104 cartridge from Delta and a 1700 series trim kit T17430-SS. However, when I went to take the old unit apart I noticed the trim ring screw holes were both at the bottom at roughly 5 and 7 o clock as opposed to 1 and 7 o clock on the new one. My question is can I find a compatible trim ring with the screw holes at the bottom and use the rest of what I bought, or is everything incompatible with the rough-in that's currently installed?
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