The Soteria UL Base – 4″ base is an easy-fit 4″ base, compatible with Apollo’s latest Soteria UL and XP95A detector ranges.

• Single base that supports isolated Soteria UL and non-isolated XP95A detectors
• 8 bit address card for additional address support when used with Soteria UL detectors and CoreProtocol
• Designed to replace shallow and deep bases
• Easy-fit, easy to install and saving time