63M LOW WATER CUT-OFF - STEAM AND HOT WATER - W/ MANUAL RESET Vacuum breaker apartment buildings

apartment buildings

Dual scale (°F & °C)

• For residential and commercial low pressure boiler applications

Hoffman Special Steam Vent Data Sheet

A standard in the fire sprinkler industry for excess pressure service

63M LOW WATER CUT-OFF - STEAM AND HOT WATER - W/ MANUAL RESET Vacuum breaker apartment buildingsLow 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