Wouldn’t be surprised if they were actually the 4262-5 (120/24VAC). Apparently those are more common than the -4 (24VDC) but that’s only something you can tell from tbe back side or by removing the decorative ring and looking at the model listed inside.
What’s the difference between a Kidde I4718, I4618, and I5000?
My goodness I’m surprised those are allowed to stick around.. These are similar to the models that were in my mom’s house when she moved, and they didn’t actually work: https://www.youtube.com/watch?v=xS8zhsnScaI
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All but one in my grandparents’ house had that problem. They were the originals from 1994. I remember one day in 2012 we came to check on their house when they were on vacation and the one in the master bedroom was sounding from a false alarm, but the sounders were broken on all of the others. They got replaced when the returned home.
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G-6s or G-18s.
I’m honestly surprised those are even in a post office of all places to begin with considering post offices are commercial buildings that should therefore require a full-blown commercial fire alarm system, but yeah, that’s a problem I’ve come across myself when replacing G-6s (of which there are an abundance of in my area). It actually comes down to the way FireX designed the horns: rather than a pre-made piezo sounder in an actual case like a lot of detectors use, some FireX detectors just have a caseless disk attached to the underside of the horn grille, & if it gets loose in any way or for any reason it might not work. Yeah: not a good or reliable design to say the least.
Well I find residential smoke alarms in commercial buildings a lot it’s not uncommon to find that.
Not extremely uncommon, especially in older buildings before commercial alarms were mandated. Heck, I was at a recently built SHEETZ that just had residential smoke alarms inside. I think the thinking in that scenario is it’s staffed 24/7, and they don’t want people smoking in the bathrooms to result in an FD response. I’m not saying this is what I would enforce, but local codes will vary. 
Funnily enough, my local post office has some Kidde KN-COSM-BA smoke/carbon monoxide alarms. It’s a building from the 60s. They are supposed to be building a new one eventually in a few years, so we’ll see what that has.
House (Smoke gard 800 I think)
BRK SS718 rebrand?
Montgomery wards!
First Alert SA67D First gen/SA76RD
Dicon 200/250
First Alert SA150LTD
Dicon (Florida!?)
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Is this a rare 1st-gen BRK 86RAC?
Wombo combo time! (ESL 709? + SA67B I think)
Simplex-rebranded Smoke Sentinel with a heat sensor
That appears to be not an SS718 rebrand but I think that’s a Westclox of some sort as far as I remember. Not sure what kind though.
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That Sears alarm is actually based off a Dicon of some kind, and it’s extremely rare to find. Congrats!
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Dang it… I found my nightmare. A Probe of some kind. However I think this is a really rare one because it has what appears to be an AC indicator. Another one was found a while back in this video https://www.youtube.com/watch?v=YDPzF-MiNQg
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A PROBE!? Amazing find!
Yeah my luck has been insane today lol. Btw the reason why any Probe unit is my nightmare is because James found a never seen before Probe thing that Sidney mentioned a while back, and somehow dethroned the damn corded Masterlock 2553 smoke alarm that I found in January.
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Oh, really? Surprising I’d say.
Yeah, I’ve been to gas stations that had nothing more but residential detectors myself. Huh though…
Huh…hope it gets a commercial system though, a building like that could likely use one!
That could be a SmokeGard 800A, 809A, 800A8, or 902A2.
No idea, but that’s a rare detector for sure as I’ve never seen one like it before!
Yeah, Montgomery Ward 84-7 1666-00, or possibly Mastercraft 52-0256-A as well.
Yeah: definitely not a place you’d expect to find a Canadian brand like Dicon in, much like how I once found a doctor’s office that had a Mircom system in the same state!
Yep, a NuTone Scovill S-180, S-181, S-180L, or S-180L, alongside newer detectors no less, heh (not sure why they didn’t replace the NuTone & just left it sitting there instead, but at least that allowed it to be found by the community (& possibly even saved someday).
Could be a Ten-Tek too given the clear button & Ten-Tek supposedly selling Dicon’s detectors in the States.
It might be, since according to one of NLind’s videos older 86RACs have their test button aligned with one of the “spokes” like that, while newer ones have it next to one of the “spokes” instead.
Neat! The BRK/First Alert could also be a 4000LB, SA67C, SA87, SA88, SA88B, SA88C, SA90B, SA90C, SA92B, SA92C, SA96B, or SA96C (which from what I’ve seen all look identical to the SA67B, but I’m not sure if there are actually differences between them).
Excellent find! That’s another rare one for sure! (though I find it odd that Simplex broke into the residential side of the market like that, since they’ve otherwise concentrated fully on the commercial side instead)
Oh? Nice!
I believe that is a Probe 202, which is identical to the Probe 201 except for having a separate alarm LED.
Oh? Any idea of the model?
Apologies for the super-long message here, but there are several things I’ve been meaning to reply to this whole time & that I’ve only gotten around to doing so now as you can see, heh.
It’s currently unknown as of right now. However, what we do know is it uses the 107’s shell but has the 101’s 3-row vent design.
Oh? Alright, interesting…
Here’s the stream from when it was found https://youtu.be/ZToQzaPygBQ?t=5230
And here’s a funny part (James’s Probe goblin is probably my favorite goblin because notice this other guy’s reaction at timestamp 1:30:20 lmaooo) https://youtu.be/ZToQzaPygBQ?t=5418