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#11
June 12th 15, 09:35 PM
posted to rec.radio.amateur.antenna
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Battery question???
rickman wrote:
On 6/12/2015 2:25 PM, wrote: rickman wrote: So what makes you think you need to replace a smoke detector every 5 years? I had units in my house that lasted over 20 years. Likely a dusty environment. You mean *not* a dusty environment? These were AC units and most likely died from a power surge. This house is in the boonies where voltage surges are more common because of the long reaches. I mean a dusty environment causes a shorter life. Aren't most houses about the same level of dust? Being upside down on the ceiling helps keep the crap out. My PCs pick up tons more dust. The dust level in any given house is going to depend on a whole bunch of factors; where it is, local winds, what is in the interior, presence or absence and efficiency of whole house filters, number of people, number of pets, etc. On the other hand, I have not seen a CO2 detector for near the price of a smoke detector. Are they really so inexpensive? You mean CO detector. Yes, of course. My detector rolled over yesterday; full of dust and crap. In Lowes I found battery powered, stand alone CO and smoke detectors starting out at about $20, battery powered, stand alone combo CO/smoke detectors starting at about $50. High end, network enabled models for a bit more, hardwired dumb models a bit less. I have always been able to find battery powered smoke detectors for $10. Walmart, Lowes, Home Depot... So was I until yesterday... -- Jim Pennino |
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