Bosch D273THCS Four‑Wire Smoke/Heat Detector with Auxiliary Relay and Sounder
$75.00
The Bosch D273THCS Four‑Wire Smoke/Heat Detector with Auxiliary Relay and Sounder is a four‑wire smoke detector with a 135°F (57°C) heat sensor, an auxiliary relay, and a sounder.
The detector has a mounting plate (included) that attaches to a standard four-inch back box.
