The following product guides are available for the UFE range:
Ambirad UF-UFE Centurion - Product Guide - February 2000 - https://www.reznor.co.uk/wp-content/uploads/2023/12/AmbiRad-UF-UFE-Sales-Brochure-Centurion-EN-2000-02-GB-WA-003-0200.pdf
Ambirad UF-UFE Centurion-03 - Product Guide - March 1995 - https://www.reznor.co.uk/wp-content/uploads/2023/12/AmbiRad-UF-UFE-Sales-Brochure-Centurion-EN-1995-03-GB-WA-003-0395.pdf