Mcdonnell & Miller 47X-2, Mechanical Water Feeder w/ out Quick Hook Up Fittings, w/ No. 2 Switch

For steam and hot water boilers with cold water feed Specifications 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 Optional features No. 2 switch Manual reset Model 47 can be field upgraded with a No. 2 switch to add low water cut-off function Maximum water supply pressure 150 psi (10.5 kg/cm2) Maximum inlet water temperature 120 Deg. F (49 Deg. C) Maximum boiler pressure 25 psi (1.8 kg/cm2)