Thank you for your inquiry, Mark! As long as the screw holes on your original 1400 series, large round escutcheon plate are at the 1 and 7 o'clock positions and you do not have a push button shower diverter directly below the off and on handle, then the Delta Windemere Shower Trim BT14296-SS will work with your original cartridge and valve.
Best regards,
Tanya
Answered by: Tanya
Date published: 2018-02-13