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Free ground shipping available for orders over $250
F220-B6 - Bosch

F220-B6 - Bosch

D8129 - Bosch

D8129 - Bosch

F220-135 - Bosch



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F220-135 An electronic rate-of-rise, fixed temperature heat detector that initiates an alarm when the ambient temperature exceeds +135°F (+57°C) or when the ambient temperature increases by +15°F (+8.3°C) or more in less than 1 minute

The detectors use low current electronic circuitry, so they can connect to 12 VDC nominal or 24 VDC nominal power source circuits. When mounted on the appropriate F220+B6 Series Mounting Base, the F220 Heat Detectors provide general property protection from fire.

  • Two-wire or four-wire bases

  • 50 ft (15.2 m) maximum spacing between detectors

  • Visible identification of model: F220+135 = no ring, F220+135F = gray ring, F220+190F = black ring

  • Tamper detection

  • Dual color LED

F220-135 Compatible Bases

Configure the detectors as either two-wire or four-wire depending on the mounting base selected. These detectors are compatible with any of the F220+B6 bases:
- F220+B6 12/24 VDC Two-wire Mounting Base
- F220+B6R Standard 12/24 VDC Four-wire Mounting Base
- F220+B6RS 24 VDC Four-wire Mounting Base with Sounder
- F220+B6C 12/24 VDC Four-(more...)

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