WATER SENSOR--PUCK STYLE. MUST HAVE GATEWAY & SERVICE PLAN FOR THIS TO OPERATE. NOTE: Because this puck sensor is totally sealed and permanently closed---the battery cannot be changed. The unit must be replaced when the battery is depleted. Estimated life on this sensor's battery is 3-5 years depending upon the "heartbeat" check in time selected by the owner.
HOW TO ORDER: (1) Purchase at least 1 Gateway per location; (2) Purchase all sensors desired for location; (3) Purchase service plan large enough to cover the number of sensors purchased.
