McDonnell & Miller 132900

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

For steam and hot water boilers with cold water feedSpecifications

• 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)