The (37995917) EDV-200 is a full feature, automatic electronic drain valve, that cost-effectively removes condensate from compressors, receivers, dryers, aftercoolers, filters, and drip legs. Each EDV-2000 includes an electronic drain, manual blowdown valve, and a strainer/ball valve, which prevents debris from clogging the valve. Maximum pressure is 250 PSI. Specifications Inlet Pipe Connection - 0.50 NPT Outlet Pipe Connection - 0.50 NPT Orifice - 7/16" For Voltage - 230 / 240 V