Hankison 531 02 1 Drain Els PW 29614 Always cross reference the part number Always cross reference the part number 60160878 with your specific boiler's technical documentation to ensure a perfect fit and function The McDonnell & Miller 342300 Strainer Assembly and Gasket (Model SA51 9R) is a high performance filtration component engineered specifically for 25A Series make up water feeders Set the "OFF" time to determine the interval between drains (typically measured in minutes) and the "ON" time to specify how long the solenoid remains open (typically measured in seconds) Rugged Construction: NEMA 4 rated enclosure provides protection in harsh mechanical rooms and wash down areas