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 function
Maximum water supply pressure 150 psi (10.5 kg/cm sq.)
Maximum inlet water temperature 120 degrees F (49 degrees C)
Maximum boiler pressure 25 psi (1.8 kg/cm sq.)