One day there was smoke coming from the keypad/control panel of my
burglar alarm, so I have to get a new one, probably DSC.
One alarm model comes with a temperature sensor, built-in I think,
which would be part of the keypad which goes in an outside wall by my
For the other, the sensor has to be bought separately,This sensor
alarms at 39 degrees plus or mine 3 degrees F. Should I look for
one from a different company that alarms at a higher temperature,
somewhere in the 40's?
The second sensor is also wireless, and I could put it almost
The front door location is bad, right?
So if I get to put it anywhere, where is good?
Under the sink in the kitchen?
Under the sink in the 2nd floor bathroom.
Taped to the far side of a second floor toilet, where it won't be
I may go away on business for 3 months next winter and might not be
able to rent the house while I'm gone. There is always a chance the
furnace will fail, even if I have it serviced just before I leave..
(Even if I went away for only a week, the same thing could happen,
even if a lot less likely.)
In the grand scheme of things, any reasonable location in the house is
probably fine. If the sensor only alarms at a fixed temp and you want
to get notice earlier, then I would put it in a area that will be
cooler. In my house, that would be the laundry room. But I wouldn't
go crazy trying to find a spot, I'd be more oriented towards a spot
that doesn't need a long wire run, keeps the sensor located where it's
not unattractive, etc. And I'd prefer a hard wired unit over a battery
one, as I'm not big on relying on changing batteries on safety systems.
Also keep in mind that the higher the alarm temp, and the colder the
location you put it in, the less you can set back the temp when not
there, as you do need to give it some margin.
On 9 Mar 2006 07:14:31 -0800, firstname.lastname@example.org wrote:
My laundry room is in the basement, and I don't think will get below
freezing no matter how long there is no heat. (in Baltimore or even in
colder places.) I think the second floor will be the first floor to
freeze if there is no heat.
Me too -- the old alarm was entirely hardwired, and quite a bit of
work that was for me -- and I was just thinking of the nuisance to
change batteries when I'm home. I guess I can put a new battery in
before I leave for 3 months, but if I leave for 4 days, too many
things to remember. It seems this company only has wireless for temp,
but obviously other places have wired.
It would be easy to put it under the kitchen sink. But maybe it is
warmer under the sink than in the kitchen itself. Still, that is
where the pipes are.
The second floor is currently colder, but if the heat goes out
altogether, I suppose the first floor will only be a couple degrees
warmer than the second floor. Maybe now is the time for me to take
Good point. My current thermostat only goes back to 48, although I
could reinstall the round Honeywell non-setback thermostat that I
think went lower. But even then I think the people here convinced
me not to go lower than 45, or was it 50.
39 degrees - 3 degrees 6, and it's always possible it will be colder
somewhere else. I think I should shop for a different temp alarm,
and if I have the house set at say 48 I should have the temp alarm set
at 37, even if that is 40 plus or minus 3.
And then the alarm company will have to contract a friend with a key,
who may be busy, and he will have to call the oil company maybe, and
definitely the furnace company, which might be busy, then maybe meet
the furnace repair man. It seems like I may have to choose a neighbor
instead of a close friend. One neighbor had a key but he moved away.
The others are probably very trustworthy, but I really don't know
One time I changed oil companies to a long established company here,
just before I went to Texas for what turned out to be 10 days. I gave
them my credit card number and asked them to fill me up. I was there
in person and she said OK. When I got back I was lucky that I hadn't
run out of oil, because they hadn't come and they never came.
Well, I can go a whole year on one tank of oil if I have the inside
temp set at 50. Pardon me for thinking outloud here.
That leaves furnace failure.
I wish there was some way to alarm when the furnace failed, without
waiting for the house to get cold. If I were watching, *I* would know
that the heat didn't go on when it should.
I would know when the reset relay tripped. The relay that has to be
reset. (It has a red button on top of it). If that relay is double
throw, and if it has an unused pole, or even maybe a used pole, I
could go into that relay and use it .....how? To trip another
relay -- I guess that would be necessary to separate the two systems
-- that would notify the central station that I had no heat.
How does that idea sound?
Right. Now instead of using a temp sensor to see when the house is
cold, I'm thinking I should note when the furnace control relay
trips**, and call the central station then, because that will give
whoever is watching the house several extra days to get the furnace
**My furnace still uses a mechanical relay. Do the new ones just use
scr's or other transistors? That would be harder, because I think I
would need a schematic, and I'll bet they are hard to get.
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