47 MECHANICAL WATER FEEDER Winters Thermometers • For residential or small

• For residential or small one-pipe or two-pipe systems

• For low pressure steam boilers with cold water feed

McDonnell & Miller 42S Series Data Sheet

• Sizes available:

200 ASTM E2251 compliant

47 MECHANICAL WATER FEEDER Winters Thermometers • For residential or smallWater 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