System Sensor SWHK 28/11 and thanks to an ingenious

and thanks to an ingenious full backplane sealing gasket

The versions with heat sensor detect fires with rapid temperature increase or with a maximum temperature value

Enclosed key-locked telephone stations comprise three separately ordered components: the handset

the B200SR-LF-WH/B200SR-LF-IV is designed to be compatible with existing installations of B501-Series sounder bases

the control panel is compatible with conventional input devices such as two-wire smoke detectors

System Sensor SWHK 28/11 and thanks to an ingeniousSpectrAlert Advance offers the broadest line of outdoor horns, strobes, and horn strobes in the industry. With white or red plastic housings, wall or ceiling mounting options, and plain or FIRE printed devices, SpectrAlert Advance can meet virtually any application requirement, including indoor, outdoor, wet, and dry applications in temperatures from 40F to 151F.