MCDONNELL MILLER — 247-2

LOW WATER CUT-OFF: Water Feeders Mechanical 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 No. 2 switch 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°F (49°C) Maximum vessel pressure 30 psi (2.1 kg/cm2)