McDonnell & Miller 133400

47-X, Mechanical Water Feeder w/ out Quick Hook Up Fittings

• 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

v No. 2 switch

v Manual reset - 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 F (49 C) - Maximum boiler pressure 25 psi (1.8 kg/cm2)