Detects downstream clogs in A/C condensate drains and shuts off the system to help prevent flooding.  Designed for close-coupled installation on auxiliary pan outlets (on the safety overflow outlet of the equipment supplied drain pan) with included plug.  Safe-T-Switch SS3 slim profile can be installed on primary or auxiliary drain pans. The specially designed steel mounting bracket clips firmly over the edge of most drain pans.

• The most reliable switch on the market
• Magnetic reed switch
• Easy to install "Snap & Go" bracket
• Easy access to service
• Connect to either red or yellow wire
• Code compliant