The SK-5207 is compatible with a wide range of smoke detectors listed in Appendix A of the manual. Two-wire smoke detectors include models from Apollo (55000-250/350), Detection Systems (DS200/250 series), ESL (425, 429, 609, 611, 612, 711, 712, 713, and 721 series), Falcon (525/525T), Faraday (9374-9376), Hochiki (SIH-24F, SLK-12/24 series), and System Sensor (1100, 1400, 1800, 2100, 2300, 2400, and 2800 series) (Page 90-91) [1].
Compatible four-wire smoke detectors include the Silent Knight SD-P24F with SD-B4@ base, Detection Systems DS200/DS200HD, ESL 445 and 449 series, and System Sensor 1851B and 2851/2851BTH (Page 91) [1].
