Series CM Boiler feed units for systems up to 600 BHP. Series CM units include low inlet durable cast iron receivers for maximum corrosion resistance. Series CSM units include low inlet lightweight steel receivers. Both are available in simplex or duplex configuration. The Series CM includes a float switch and solenoid valve with “Y” strainer to add make-up water on low level. Pumps are bronze fitted with bronze case wear rings and stainless steel shafts. Pumps are available in 3500 or 1750 RPM.