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Home Repair - - If it ain't broken, don't fix it. Otherwise look here.
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Posted by John Weiss on October 9, 2006, 2:45 pm
> Hello,
> After shopping around much, purchased a nighthawk digital for $33 from
> wal-mart.
> These are expensive and I'm wondering if the best placement would
> be high in the hallway near the bedrooms. There are 3 bedrooms that are
> occupied.
Put it in your own bedroom, so you can hear it if it goes off. The
exception may be if the layout of your house suggests that potential CO
sources are significantly closer to the other bedrooms.
$33 isn't a lot of money if it saves your (or your kid's) life. If the
bedroom doors are closed at night, put one behind each closed door.
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Posted by Mark on October 9, 2006, 3:30 pm
> > Hello,
> > After shopping around much, purchased a nighthawk digital for $33 from
> > wal-mart.
> > These are expensive and I'm wondering if the best placement would
> > be high in the hallway near the bedrooms. There are 3 bedrooms that are
> > occupied.
>
by the way...the inside of a heat exchanger is under positive pressure
from the blower...
if it should crack, air would blow out of it, it would not pull CO in
...
but bad stuff can happen and a CO detector is a very good idea...
Mark
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Posted by Tony Hwang on October 9, 2006, 4:18 pm
Mark wrote:
>
>>
>>>Hello,
>>>After shopping around much, purchased a nighthawk digital for $33 from
>>>wal-mart.
>>>These are expensive and I'm wondering if the best placement would
>>>be high in the hallway near the bedrooms. There are 3 bedrooms that are
>>>occupied.
>>
> by the way...the inside of a heat exchanger is under positive pressure
> from the blower...
>
> if it should crack, air would blow out of it, it would not pull CO in
> ...
>
> but bad stuff can happen and a CO detector is a very good idea...
>
> Mark
>
Hmmm,
Inside heat exchanger, there is burning flame,blown air is passing the
outside sucking up the gas thru the crack. Am I wrong?
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Posted by Tony Hwang on October 9, 2006, 4:22 pm
Mark wrote:
>
>>
>>>Hello,
>>>After shopping around much, purchased a nighthawk digital for $33 from
>>>wal-mart.
>>>These are expensive and I'm wondering if the best placement would
>>>be high in the hallway near the bedrooms. There are 3 bedrooms that are
>>>occupied.
>>
> by the way...the inside of a heat exchanger is under positive pressure
> from the blower...
>
> if it should crack, air would blow out of it, it would not pull CO in
> ...
>
> but bad stuff can happen and a CO detector is a very good idea...
>
> Mark
>
Hmmm,
Blower does not start when flame is first on. There is a delay.
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Posted by mm on October 10, 2006, 8:05 pm
>
>
>> > Hello,
>> > After shopping around much, purchased a nighthawk digital for $33 from
>> > wal-mart.
>> > These are expensive and I'm wondering if the best placement would
>> > be high in the hallway near the bedrooms. There are 3 bedrooms that are
>> > occupied.
>>
>by the way...the inside of a heat exchanger is under positive pressure
>from the blower...
>
>if it should crack, air would blow out of it, it would not pull CO in
>...
>
>but bad stuff can happen and a CO detector is a very good idea...
My brother wanted me to buy one, and actually mentioned it twice,
which for him is a lot.
So I did. The instructions with this first A;lert, I think it was,
said it didn't matter too much how high the detector was, but that was
10 years ago. Maybe they've changed their minds.
I put in the outlet about 12 inches above the floor and 8 feet to the
left of my bed, which had an outlet not being used. 2 or 3 months
after I put it in, it went off at 3 in the morning, woke me up, and I
am alive to type today, although some of you may have notice that my
mental function is not as good as it should be.
:)
I opened the window, ran down stairs to turn off the furnace. Then I
went up stairs where I got quickly colder. After 60 or 90 minutes I
closed the window, but I didn't turn the heat on. When the furnace
was checked the 8 or 12 inch flue only had about 2 inches diameter for
exhaust. The rest was soot.
At the time, some insturctions didn't mention oil furnaces as a
problem, iiac.
I called them with a couple questions and one thing they said not to
do was to test the detector by finding some CO and stuffing the
detector into it. I got the impression too high a concentration would
ruin that model.
>
>Mark
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