Description

The System Sensor 1251B is a low-profile ionization and photoelectric, plug-in type smoke detector heads. It offers superb performance and reliability, meeting the stringent performance criteria designated by UL 268 and ULC, in a profile of just 1.66″ (42 mm). Aesthetically pleasing to engineers, architects, building owners and homeowners, the 1251B can be used with four different adapter bases in a variety of wiring configurations and voltages. Model 1151 (ionization sensor) and 2151 (photoelectronic sensor) share the same sleek low-profile design.