Pipe Mounted Condensate Switches - Tee - Pipe Mounted Condensate Switches - Tee shut systems off to prevent overflowsPipe Mounted Condensate Switches - Tee features include:DiversiTech Flood Prevention Switches are simple to install, easy to service and extremely reliable. As water level in the auxiliary or main drain pipe rises due to clogged air conditioning condensate drain, thus switch shuts off the system - thus preventing water from overflowing and causing damage to doors, walls and ceilings. At the heart of the switch is durable yet precise magnetic reed switch. Constructed of materials that will not rust or stick, the switch operates smoothly every timeUL508 Approved, cULus ListedOrder Qty of 1 = 1 switchBelow is more info on our Pipe Mounted Condensate Switches - Tee: