63B-M LOW WATER CUT-OFF - STEAM AND HOT WATER - W/ FLOAT BLOCK W/ MANUAL RESET Steam Trap To ensure a long life

To ensure a long life to this pump a strainer is always recommended in front of the pump inlet

• Maximum operating temperature 366°F (186°C)

Direct or reverse acting modes of operation

Series 53/53-2

63B-M LOW WATER CUT-OFF - STEAM AND HOT WATER - W/ FLOAT BLOCK W/ MANUAL RESET Steam Trap To ensure a long lifeLow Water Cut Offs Mechanical For Steam and Hot Water Boilers Series 63 Low Water Cut Offs For residential, commercial, and industrial applications Heavy duty Includes No. 2 switch Optional manual reset available Maximum boiler pressure 50 psi (3. 5 kg cm2) Use with TC 4 on hot water systems McDonnell & Miller Series 63 Data Sheet