| Two-Channel monitoring capability with
automatic solenoid valve shut-off, and a manual control 4-3/4 inches by 3-3/4 inches by
7/8 inch. The former S-2 has been completely redesigned to become the S-2A. This new
microprocessor controlled unit is loaded with more features than before. The unit retains
its two separate channel monitoring capability and solenoid valve ON/OFF switch. New
features include: 50% less current draw, plug-in display module "Fault"
light/alarm and separate sensor/s "Fault" light/alarm.
(Fault indicators let you know the module or sensor/s are not
working and may need repair.) "Press to test" for each sensor channel confirms
function. S-2A sensors are calibrated to alarm (visual and audible) at 20% LEL (Lower
Explosive Limit). This alarm level is high enough to eliminate nuisance alarms but low
enough to allow time to take action.
Mfg. Part No. S-2A
Online Marine Price $204.95

Replacement Propane/CNG Sensor
Mfg. Part No. MS-2
Online Marine Price $57.95

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