AFAIK they react to any flammable gas, so the engine room sensor would
have also reacted to gasoline fumes. For CNG it is a little harder, the
gas does not settle. Maybe a midpoint or higher???
Joe
Coquina
On 2/18/2020 10:00 AM, Shawn Wright via CnC-List wrote:
Our 35-2 came with an older sensor system, and has three remote
probes: one under the stove; one under the nav desk at sole level, and
one in the engine compartment near the bilge. The latter might be a
carry over from the original Atomic 4 engine, but I suppose it could
also catch a problem if one of the locker drains ruptured, allowing
gas to drain into the bilge, as it would flow under the engine.
I have the system out right now, as the audible buzzer does not
activate, only the warning light. It is very easy to test with a
butane lighter at each probe, just release some gas without igniting,
and the alarm activates within a second.
--
Shawn Wright
shawngwri...@gmail.com <mailto:shawngwri...@gmail.com>
S/V Callisto, 1974 C&C 35
https://www.facebook.com/SVCallisto
On Mon, Feb 17, 2020 at 5:07 AM bwhitmore via CnC-List
<cnc-list@cnc-list.com <mailto:cnc-list@cnc-list.com>> wrote:
Hello all,
So I'm going to mount a propane alarm, and would like to get your
collective wisdom on where the sensor should be located. I know
it should be low, and the two sources of propane would be at the
connections in the propane locker, which should go down the drain
overboard. The second is at the fittings at the stove. Of course,
a hose could chafe through or fail as well.
So, in a dry space in the bilge, or near the stove?
Where did you put it to protect it from kicking, etc?
Thanks!
Bruce
1994 C&C37/40+
"Astralis"
Madeira Beach, FL
Sent from Samsung tablet.
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every one is greatly appreciated. If you want to support the list - use PayPal
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