Bosch

Displaying 7 to 12 (of 12 Products)
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(image for) Bosch D273TH Four Wire Smoke Detector with Heat Sensor
Bosch D273TH Four Wire Smoke Detector with Heat Sensor
              Four-Wire with 135°F (57°C) Heat Sensor Replacement for DS284TH   The D273 Series Detector models use an infrared (IR) LED light source and a silicon photodiode to measure light in a  chamber. A fine screen covers the chamber to deter insects and reduce dust accumulation and nuisance alarms. During a fire, smoke particles reflect light onto the...
$52.95Buy Now
(image for) Bosch D273THS Four Wire Smoke Detector with Heat and Sounder
Bosch D273THS Four Wire Smoke Detector with Heat and Sounder
            Four-Wire with 135°F (57°C) Heat Sensor and Sounder Replacement for DS284THS Special Order   The D273 Series Detector models use an infrared (IR) LED light source and a silicon photodiode to measure light in a  chamber. A fine screen covers the chamber to deter insects and reduce dust accumulation and nuisance alarms. During a fire, smoke particles reflect...
$52.95Buy Now
(image for) Bosch D273THE Four Wire Smoke Detector with Heat and EOL Relay
Bosch D273THE Four Wire Smoke Detector with Heat and EOL Relay
            Four-Wire with 135°F (57°C) Heat Sensor EOL Relay Replacement for DS284THE Special Order   The D273 Series Detector models use an infrared (IR) LED light source and a silicon photodiode to measure light in a  chamber. A fine screen covers the chamber to deter insects and reduce dust accumulation and nuisance alarms. During a fire, smoke particles reflect...
$62.95Buy Now
(image for) Bosch D273THES Four Wire Smoke with Heat, EOL Relay and Sounder
Bosch D273THES Four Wire Smoke with Heat, EOL Relay and Sounder
              Four-Wire with 135°F (57°C) Heat Sensor, EOL Relay and Sounder Replacement for DS284THES Special Order   The D273 Series Detector models use an infrared (IR) LED light source and a silicon photodiode to measure light in a  chamber. A fine screen covers the chamber to deter insects and reduce dust accumulation and nuisance alarms. During a fire,...
$64.95Buy Now
(image for) Bosch D263TH Two Wire Smoke w/ 135 F Heat Sensor
Bosch D263TH Two Wire Smoke w/ 135 F Heat Sensor
          SPECIAL ORDER Two Wire Smoke w/  135 °F  Heat Sensor Replaces the Bosch DS-D282TH   The D263 Series Detector models use an infrared (IR) LED light source and a silicon photodiode to measure light in a chamber. A fine screen covers the chamber to deter insects and to reduce dust accumulation and nuisance alarms.  During a fire, smoke particles reflect light...
$69.95Buy Now
(image for) Bosch D296 Projected Beam Smoke Detectors
Bosch D296 Projected Beam Smoke Detectors
            Special Order   The D296 Projected Beam Smoke Detector is used in clear open structures such as arenas, atriums, auditoriums, ballrooms, churches, factories, museums and warehouses. Each D296 detector consists of a transmitter,a receiver, and a remote annunciation plate.Because the transmitter and receiver typically mount on the ceiling or high on walls or columns,they...
$599.95Buy Now
Displaying 7 to 12 (of 12 Products)
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