Chemicals for the treatment of cooling water systems; Water purifying chemicals for swimming pools; Water treatment chemicals for use in swimming pools and spas

OVERFLOW AND WATER LEAK CONTROL DEVICES, NAMELY, WATER OVERFLOW AND WATER LEAK DETECTORS CONNECTED TO VALVES IN WATERLINES TO SHUT OFF FLOW OF WATER IF A WATER OVERFLOW CONDITION OR WATER LEAK IS DETECTED, AND REPLACEMENT PARTS THEREFOR, AND ACCESSORIES FOR USE THEREWITH, NAMELY, PLUG-IN MODULES TO FLASH A LIGHT OR OTHERWISE SEND A SIGNAL THAT AN OVERFLOW CONDITION OR WATER LEAK IS DETECTED.