SPECIFICATIONS
McDonnell & Miller 51-S/51-S-2 Series
For high capacity [up to 35,000 sq. ft. (3250m2)] low pressure
steam and hot water boilers with cold water feed
Optional features
β No. 2 switch
β Manual reset
β Float block
Proportional feed action
Maximum water supply pressure 100 psi (7 kg/cm2)
Maximum inlet water temperature 120Β°F (49Β°C)
Maximum vessel pressure 35 psi (2.5 kg/cm2)
PARTS