Primary drain line shut-off switch, Safe-T-Switch Model SS1, detects clogged A/C condensate drains and shuts off system to prevent water damage. Float sensitivity can be easily adjusted without removing the cap. Can be installed on a slope up to 45 deg. and does not need to be level or plumb. Easy access to the switch and drain line for service. Cap is secure and easily removed and reinstalled with tapered cams. Improved base prevents algae build-up inside device. Directional Cleanout tool allows for both pressure and vacuum cleaning.