The ISO 9001 certified company Forbes Marshall is the manufacturer and supplier of Electronic Drain Trap. The Electronic Drain Trap [EDT 1 CA Drain Trap] is used as a solution to operate compressed air drain valves. Manually operating compressed air drain valves can be a major waste of time and money, and traps in awkward positions can often get forgotten. With the help of EDT1 Electronic Drain Trap, setting of discharge times and frequency to specific systems can be done.