Mcdonnell & Miller 47-2-M, Mechanical Water Feeder w/ #2 Switch (LWCO Function), w/ Manual Reset

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 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)