The SS2 vertical float switch mounts in a primary or auxiliary drain line and shuts the system off should water back up.
The Rector Seal Primary pan auxiliary outlet Smaller, L-Shaped switch installs on auxiliary pan outlets and requires no plug. Installs easily in tight spaces and catches clogs in primary pan outlet nipples. Pre-wired with 4-foot 18 AWG wires.
The most reliable switch on the market
Detects clogged A/C condensate drains and shuts off the system
Includes male threaded adapter to screw into a 3/4" PVC female adapter!