McDonnell & Miller Series 47 Mechanical Water Feeder/Low Water Cut-Off #2 Switch Is Used For Use With Steam And Hot Water Boilers With Cold Water Feed.
McDonnell & Miller Series 47 Mechanical Water Feeder/Low Water Cut-Off #2 Switch is solidly manufactured for long lasting durability and dependability. Offers continuous maintenance of minimum safe water level, independent of electrical service. Proportional feed action. Quick hook-up fittings provided. Quick-change replaceable cartridge valve and strainer. #2 switch adds low water cut-off function. Optional Manual reset feature. 150 psi maximum water supply pressure. 120° maximum inlet water temperature. 25 psi maximum boiler pressure.