Features and Benefits of the 51-S/51-S-2 Mechanical Water Feeders/Low Water Cut-Offs

• For high capacity [up to 35,000 sq. ft. (3250m2)] low pressure
  steam and hot water boilers with cold water feed
• Optional features
       – No. 2 switch
       – Manual reset
       – Float block
• Proportional feed action
• Maximum water supply pressure 100 psi (7 kg/cm2)
• Maximum inlet water temperature 120°F (49°C)
• Maximum vessel pressure 35 psi (2.5 kg/cm2)

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