Mcdonnell & Miller 247-2, Mechanical Water Feeder w/ #2 Switch (LWCO Function)

Series 247/247-2 Mechanical Water Feeders/Low Water Cut-Offs For steam and hot water boilers with cold water feed Continuous maintenance of minimum safe water level, independent of electrical service Proportional feed action Quick-change replaceable cartridge valve and strainer Quiet, durable operation Isolated feed valve minimizes lime and scale build-up Optional features v No. 2 switch v Manual reset Model 247 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 degrees F (49 C) Maximum vessel pressure 30 psi (2.1 kg/cm2)