Best smoke detector for my needs?

JoeCool

Ideally would like to find a smoke detector that has these capabilities:

120V w 9v backup - not just 9v
Dual ionization and photoelectric sensors
Ability to interconnect to other units
NOT First Alert

I don't see units like this at Lowe's or Home Depot - online or in the store. To me it seems ideal, that in a basement I may want just one type, bedrooms and other areas, both types.

Either why aren't these produced, or where are some shopping links to them?

Answer
Here you are exactly what you want and NOT a first alert check it out great product and price:Kidde KN-COSM-IB

http://smokealarmpro.com/product-review-kidde-120v-hardwired-talking-combination-carbon-monoxide-smoke-alarm-w-battery-back-up-modelkn-cosm-ib/

does anybody knows what is 'msa gas'?

Jimlberto

http://www.multigasdetection.com/?gclid=CK6NrardpJYCFQECGgodpEta5g

in this link, I was reading the last paragraph and collided with this :
"Some of the Gases Detected by some of the above detectors include
Ammonia gas , Carbon Dioxide , Carbon Monoxide , Chlorine Dioxide , Chlorine , Combustible gas detection, Fluoride , Fluorine Hydrogen , Hydrogen Chloride , Hydrogen Cyanide , Methane , Nitrogen Dioxide , Oxygen detetector, Phosphine , Sulfur Dioxide , carbon monoxide, helium, hydrocarbon, hydrogen gas , methane , msa gas ,monoxide, propane , radon gas. "

there it says. ", msa gas,"

I've searched 'msa gas' and only found a company that makes masks and detectors, but nothing about a "msa gas"

does it ring any bell to somebody?
oops, i put 'knows', It should have been 'know', sorry
ah, ok, I supposed that, somehow, but 'surely' , I was not sure, he he

thanks for your time folks

Answer
It is likely that this vendor doesn't have a chemist on staff reviewing what the sales department puts on the website -- it becomes really obvious when I see things like "fluorine hydrogen", and carbon monoxide three times.

In all likelihood, the folks in the RKI sales office are using the term "msa gas" to describe Mine Safety Appliances' Calibration gas for multi-gas detectors.

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