53B MECHANICAL WATER FEEDER W/ FLOAT BLOCK Vendor_McDonnell & Miller McDonnell & Miller Series 63

McDonnell & Miller Series 63 Data Sheet

• Fast acting

McDonnell & Miller 247/247-2 Series Data Sheet

5"" brass bottom mount and 4"" stainless steel back mount gauges

Pneumatic temperature pilots provide greater accuracy than self-contained temperature pilots

53B MECHANICAL WATER FEEDER W/ FLOAT BLOCK Vendor_McDonnell & Miller McDonnell & Miller Series 63Water Feeders Mechanical Series 53 53 2 Mechanical Water Feeders Low Water Cut Offs For low pressure steam and hot water boilers larger than 5,000 sq. ft. (465m2) with hot or cold water feed Optional features No. 2 switch Manual reset Float block Proportional feed action Model 53 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 120F (49C)