"Kitchen-rated" smoke alarms?

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sliderule

Member
Location
Langley, BC
What exactly is a kitchen-rated smoke alarm? I can't find much on the 'net. Are they something new? Here's a link to one from USI (Universal Securities Instruments www.universalsecuritystore.com/store/products/10-year-tamper-proof-sealed-battery-smoke-and-fire-alarm-mdsk300s.htm It seems to be a combo of a rate-of-rise heat detector and "ordinary" smoke detector technology? The literature refers to revolutionary patented smoke sensing technology. Even has a 10 year life battery. All sounds to good to be true?Am wondering what UL & NFPA has to say about these and when and where you can install them. Can you remove a smoke alarm and replace it with one of these? I came across this on an RV forum and have not heard of them before.


 

sliderule

Member
Location
Langley, BC
Photoelectric are better than ionization in proximity to kitchens.

Okay, but just what does "kitchen-rated" mean? The USI detector appears to be a heat detector and ionization & photoelectric smoke detector in one and they say it conforms to UL 217. USI says the detector has "iophic" and "USST" technology. I don't have a copy of UL 217.
 
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RICK NAPIER

Senior Member
Location
New Jersey
The 2016 NFPA 72 does not allow a smoke detector to be installed closer than 10' from fixed cooking appliance unless listed for close proximity to cooking appliances 29.8.3.4. So I quess that's what you have.
 
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