Tagged: Replacement, Siemens This topic has 1 reply, 2 voices, and was last updated 11 months, 1 week ago by Khris James. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts December 18, 2023 at 4:52 pm #3718 Emma EvansParticipant Hello everyone, I have a Siemens DT-135R smoke detector in my system that needs replacing. Can anyone recommend a suitable replacement for it? December 18, 2023 at 4:53 pm #3719 Khris JamesModerator Greetings, For your Siemens DT-135R smoke detector, a suitable replacement option would be the 5601P smoke detector. It is compatible with many existing systems and provides reliable performance. If you have any more questions, feel free to ask! Author Posts Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In