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Description
Simplex 4098-9756Simplex 4098 9756 Addressable Duct Sensor Housings with TrueAlarm Photoelectric Sensor (ULC) Simplex 4098 9756 Compact air duct sensor housing with clear cover to monitor for the presence of smoke** Includes factory installed TrueAlarm photoelectric smoke sensor and features: Individual sensor information processed by the host control panel to determine sensor status Digital transmission of analog sensor values via MAPNET II or IDNet, 2 wire
Simplex 4098-9756 Addressable Duct Sensor Housings with TrueAlarm Photoelectric Sensor (ULC)
Simplex 4098-9756 Compact air duct sensor housing with clear cover to monitor for the presence of smoke** Includes factory installed TrueAlarm photoelectric smoke sensor and features:
- Individual sensor information processed by the host control panel to determine sensor status
- Digital transmission of analog sensor values via MAPNET II® or IDNet™, 2-wire communications
- Programmable sensitivity, consistent accuracy, environmental compensation, status testing, and monitoring of sensor dirt accumulation.
Model Simplex 4098-9756:
- Duct sensor housing with supervised output for multiple remote relays; requires separate 24 VDC includes one relay
- Relay output is under panel control
- At the panel, relay output can be activated manually or in response to a separate alarm or other input
Simplex 4098-9756 General features:
- UL listed to Standard 268A
- Clear cover allows visual inspection
- Test ports provide functional smoke testing accesswith cover in place
- Mounts to rectangular ducts or round ducts; minimumsize is 8” (203 mm) square or 18” (457 mm) diameter
- Magnetic test feature for alarm initiation at housing
- Optional weatherproof enclosure is available separately (refer to data sheet S4098-0032)
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
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4.3 ★★★★★
Based on 598 reviews
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Product Reviews
★★★★★ 5
Reliable and durable, even in harsh conditions
Color: Black/Gray
This watch has served me very well. From Arctic waters to long distance races, it has held up to everything except one task I asked of it, which was my fault.
This watch can handle repeated free dives to 12 ft deep. It cannot handle scuba diving at the same depth for an hour straight without needing to have the battery shorted to reset it.
It fits well, lights up consistently and brightly enough to read without being blinding, keeps accurate time, and generally does everything I want it to.
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Reviewed in the United States on May 24, 2025
★★★★★ 5
Ten years of ownership…Thank you, Timex!
Color: Black, Size: One Size
Solid watch for everyday wear. I have worn this watch for over 10 years. I let a watch shop replace the battery about every 18 months. Other than the original band (which lasted 5 years) I have had zero problems. Still looks great, rugged and manly😇
Overall I recommend this watch for its value, reliability, simple clear design, legible hands in all light conditions. Great watch!!!
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Reviewed in the United States on February 13, 2026
★★★★★ 5
Solid Watch for Everyday Casual Wear
Color: Black, Size: One Size
I have purchased this item other times and I’m quite satisfied with wearing this watch everyday with casual wear. The size is just right not too small or large.
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Reviewed in the United States on May 23, 2026
★★★★★ 4
Nice simple effective inexpensive watch
Color: Black, Size: One Size
I just ordered my second one of these. They are cheap, keep good time, show me the date, and last a long time. My last one lasted over 10 years. The only thing wrong with the last one was that the battery needed replacement (I think it was only the second time it had needed a battery in all the years I had owned it) at the same time the band wore out and broke. Rather than buy a new battery plus a new band, I just got a new one. I am hard on watches, and this one stood up very well. I regularly shower and swim with it on, and no problems.
It doesn't have a lot of functions I don't need, like stopwatch, multiple time zones, etc. I have found those things more of a bother than a benefit, because any time you bump the knob against something, the display changes and you're always pressing all the buttons multiple times just to get the simple info needed- like what time is it and what is the date
DEC 2020 UPDATE - I am ordering another one of these. The last one, I bought in mid 2019. Early in 2020, the date function quit working. By the end of November, the whole thing quit working. I know it's not the battery, because the light still works. So I am reducing my review by one star, and we'll see how well a new one does. The watch before the current one lasted about 10 years, so getting only a little over a year out of the current one is not good. Perhaps the current one just wasn't as good as the previous ones. It's entirely possible that they keep making the same watch out of lesser and lesser materials and workmanship.
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Reviewed in the United States on November 21, 2016
★★★★★ 5
Timex. Life is ticking.
Color: Black, Size: One Size
A family member is headed off to Navy boot camp and is required to have a watch-a black watch. But...it cannot be anything in the realm of, be like, or indeed be an Apple Watch. The search began for a simple timepiece. Economy was important since after the 8 weeks of boot camp ended, use of the current watch would be resumed. Enter Timex...(the world's largest manufacturer of watches and mechanical time fuses). During the Amazon search there were all manner of economically (actually cheap) watches noted to be available, so many that it was simply overwhelming. Timex...tried and true since 1854 (just a fun fact, but actually attests to the quality of the company) was the chosen one. A simple but reliable timepiece was required, and certain qualifications were needed. First, it had to be an accurate time keeper and have a second hand, and have a date indicator. Secondly, there had to be an element of water resistance (this is Navy boot camp after all, so water is important!). Thirdly, it had to be black. Fourth, no bells or whistles whatsoever. Finally, a face with 24 hour/military time would be a bonus. This Timex Rugged Core Expedition Analog Watch fit the bill. Upon arrival it was packaged in a traditionally square box the size of the watch, no frills but sturdy enough to ward off damage during shipping. Once opened the first thing noticed was the face of the watch. It was black, with white numerals in both standard and 24 hour/military time, had a red second hand, luminescent hour and minute hands, and date indicator. The nylon band was also black, had ridges, and had a fastener like a belt. At the end of the band were two extrusions which seemed to lock the excess band into place once it was fastened. After wearing a number of days, the watch has kept excellent time matching the Apple Watch. Both watches were worn on the same arm at the same during the day and during sleep. They were worn during regular daily activities, during exercise and during strenuous garden work such as hauling, digging holes, dragging 40 lb bags, etc. Time was checked multiple times per day, and the time on each watch was exactly the same every time checked. The Timex was water resistant during a 5 minute shower and while submerged water. This is not a dive watch but, according to the ad, is water resistant to 50 feet for light swimming. The performance of this watch has been more than satisfactory executing in stellar fashion everything it was stated to be able to do. I can recommend this watch for boot camp purposes without reservation.
Top 3 Likes:
-Reliable keeping accurate time, has military time numerals
-Is water resistant as tested
-Is black, attractive with luminescent hands, second hand, date, and light up face
Top 3 Dislikes:
-The band is stiff and somewhat difficult to latch
-The two little extrusions do anchor the band, but are difficult to undo to take off the watch
-Only two dislikes!
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Reviewed in the United States on September 28, 2024