Unbranded 120-Volt Hardwired Rate-of-Rise Heat Alarm

The 120-Volt Hardwired Heat Alarm detects heat at 135°F with its (microprocessor) temperature sensor. This heat alarm is perfect for crawl spaces and garages and has a low battery silencer for a maximum of 8-hours. First Alert invests time and research into providing dependable and hardworking products. The HD6135FB comes in white and can be interconnected with up to 12 other units to make your home a safe haven from fires and smoldering fumes. The alarm automatically resets when temperatures drop under ...