Ctd11b auto drain valve is the culmination of years of manufacturing drains. It takes care of all problems normally associated with drains. The controller is now built of ultra reliable micro controller and feature dual adjustment of both cycle and drain. This mechanism includes a large orifice and special solenoid operator section to discharge dust. Should the valve still get clogged you can service it without removing from the installation. Press the knob atthe bottom pertaining to the valve to mechanically clear all the sludge. Electronically flush a few times and currently it is fully serviced and ready for use. Includes user-friendly mount at all locations l condensate discharging is no more a problem l enabled / disabled timing adjustable l large orifice for effective drain composed of particles and condensate l maintains and cleans drain valve without removing from service l design patented