47 MECHANICAL WATER FEEDER Winters Thermometers McDonnell & Miller 42S Series

McDonnell & Miller 42S Series Data Sheet

1⁄2" NPT outlet

ASME Section IV capacity certified bronze safety relief valve for protection of hot water heating boilers

centrifugal pumps with specific gravity greater than 0

47 MECHANICAL WATER FEEDER Winters Thermometers McDonnell & Miller 42S SeriesWater Feeders Mechanical Series 47 47 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 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