Zurn Zerk-CPM Sensor Operated, Battery Powered Retrofit Kit for Water Closet and Urinal Flush Valves – Zurn’s ZERK products work well in all bathroom environments adapting to various water pressures and water quality. The Zurn Zerk-CPM is equipped with special features like user-in view L.E.D, and low battery indicator light. These units has a switchable 24 hour auto-flush and three second delay flush to deter false flushing. Also, equipped with 10 degree angled sensor for optimum user detection, courtesy flush button. This unit is finished with high impact resistant polycarbonate, housing impact-resistant glass lens, and chrome-plated metal cover. The Zerk-CPM takes 4 C-size batteries, uses a wrench for installation and allen key for the battery compartment.
ZERK CPM directs the water from the lower valve chamber through a plurality of individual passageways and into one of the twenty-two filter cells around the diaphragm giving you filtered clean water.