The Johnson Bilge Alert High Water Alarm detects disruptions in a bilge pump from water or other fluids. The alarm is very small, easy to mount, and is held within a sealed case that resists all corrosion or potential damage from oil and debris.
The Johnson Bilge Pump Alert system utilizes a patented Mirus field effect detector cell that produces a micro-electrical field. When activated, the system triggers a 100db piezo alarm and LED light on the control panel. To prevent false alarms, water must disrupt the sensor for 8 seconds before going off. In addition, a 3-way rocker switch allows users to test, arm, and turn off the alarm.
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Johnson Bilge Pump Alert Features
No Moving Parts
Completely Sealed Electronics & Field Detectors
No Exposed Sensors Preventing Any Chance of Corrosion
3-Way Switch Can Disable Piezo Alarm While Keeping Warning LED Lit
Built-In 8 Second Delay Prevents False Activation
Meets ISO 8846
can I add this alarm to my existing bildge pump? Joe S
Yes you can. I used electric ties to attach mine to my rear bilge pump. Be sure an attach it high enough up that it will not trigger for every splash of water that hits it. It is very sensitive. The audible part of my alarm (the dash side) went out after a year but the red light still comes on when high water is encountered. Since I don't sleep on the boat it is no problem but a person could rewire it to a louder aftermarket speaker.
wired mine in and alarm sounds when armed checked wiring all looks correct any ideas????? ,thanks Rich
My experience was the same. I spoke to Johnson, they advised to mount the sensor with a rubber washer. Another option was to let it dangle free.
A must Have safety device!
The most reliable of the bilge alarms as it has no moving parts. Early warning of high water in the bilge can save your boat from sinking. Extra lengths of wire must be added for most installations and running the wires from the bilge to the console can be difficult, but it's a small price to pay for the added safety this alarm offers. Also, no template is offered for cutting the hole for the switch and alarm panel. Nevertheless every boater should go to the trouble of installing one.
Nice Device - But
30" is to short for wire length. Want to mount this panel next to my console and bilge pump panel