51S-2 MECHANICAL WATER FEEDER LWCO W/ #2 SWITCH NVA • Heavy duty

• Heavy duty

Mechanical Water Feeders/Low Water Cut-Offs

Hoffman Radiator Steam Vent Data Sheet

• 1" NPT connections

51S-2 MECHANICAL WATER FEEDER LWCO W/ #2 SWITCH NVA • Heavy dutyWater Feeders Mechanical Series 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 120F (49C) Maximum vessel pressure 35 psi (2. 5 kg cm2) McDonnell & Miller Water Feeder Data