Bosch D255 Indoor Built-in Wired

Fixed-temperature Heat Detector Heads - Mounts on low-profile six-inch diameter base
- Easy head removal for cleaning and servicing
- Available in 135°F (57°C) or 190°F (88°C) fixed settings
- Optional latching alarm LED
- Tamper-resistant locking base

<b>D255 Fixed-temperature (190°F [88°C]) Heat Detector Head</b>
- Fixed‑temperature (190°F [88°C]) mechanical heat
- detector head for use in 12 VDC or 24 VDC nominal
- circuits; requires a base.