I saw this detector on a Honeywell vista system but can’t quite identify the model of it. Any help would be appreciated!
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That’s a Bosch/Detection Systems/Radionics D-series/DS-series/MX-series photoelectric smoke & heat detector.
That is a Bosch/radionics smoke detector
As always, thank you so much for the help! Your always so helpful and I really appreciate it!
You are most welcome! I always try to be as helpful as I can be to anyone who needs help 
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Bosch D283T or D7050. The D7050 is a FlexNet addressable detector. I think.
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I am staying in a hotel and I need help with finding what smoke detector this is. It is on a Notifier voice evac system, but not system sensor.
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That is a notifier fsp-851 mounted on a system sensor b501bh sounder base
What a weird combination
It’s actually not. The fsp-851 was introduced during the b501bh’s production
Oh ok
It my opinion it looks weird