Series 247/247-2
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-change replaceable cartridge valve and strainer
Quiet, durable operation
Isolated feed valve minimizes lime and scale build-up
Optional features
v No. 2 switch v Manual reset
Model 247 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 degrees F (49 C)
Maximum vessel pressure 30 psi (2.1 kg/cm2)
Mcdonnell & Miller 133800 is also known as
