Review on System Sensor 2W B Photoelectric Detector by Juan Wilson

I replaced six Honeywell 2 wire smoke alarms to use the previous base plates which makes the process much easier and quicker. Only 2 out of 6 worked after installation. I had an ADT technician check the system and the wiring was fine. The system alarmed when removed or replaced. He concluded that 4 of the new alarms were defective. Therefore 4 out of 6 were defective. This is NOT a good relationship! I am trying to get my money back but there is no hope.