63M LOW WATER CUT-OFF - STEAM AND HOT WATER - W/ MANUAL RESET Vacuum breaker Hoffman Special Steam Vent Data

Hoffman Special Steam Vent Data Sheet

• For residential or small one-pipe or two-pipe systems

• Manual reset models meet the requirements of ASME Standard CSD-1

• Subcooling for extremely efficient system operation and elimination of flash steam losses on low pressure systems

63M LOW WATER CUT-OFF - STEAM AND HOT WATER - W/ MANUAL RESET Vacuum breaker Hoffman Special Steam Vent DataLow 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