Sterling 4200 Series Cast Iron Condensate Return In Stock

Motors : Heavy-duty, ball bearing, close-coupled pump motors with stainless steel shaft. 3450 RPM for greater efficiency and more economical operation. Float Switch : Two-pole, drip proof case, stainless steel float and float rod, double-break silver-to-silver contacts. Float travel adjustment is easy, visible and accessible. Automatic Venting : Provides for efficient operation and long life by venting air and flushing seal area. Large Tanks : Plenty of capacity for maximum rating of pump. Return inlet is low. Occupies a minimum of floor space. Centrifugal Pump: Offers a wide range of pressures and GPM. Unique design features provide for ease of servicing. Impeller: Made of brass for long life. Efficient design provides maximum capacity, minimum motor load. “SterlSeal” Pump Seal (A) : Features the ultimate in ceramic technology for exceptionally long life. Because the seal runs on the bronze impeller hub, the motor shaft is literally outside the pump. Consequently, the shaft is not exposed to corrosion by condensate. Rated for temperatures up to 250°F. Isolation Valve (B) : Optional on 4200 Series Condensate Pumps

Special Options: • Isolation valves • Electric alternator for duplex units • Thermometer • Solenoid operated make-up water valve with reverse acting float switch • Special motor construction, such as totally enclosed and explosion proof, is available • Magnetic starters with H-O-A selector switches • 1750 RPM motors, larger pumping capacities and higher discharge pressures - consult factory • Custom sized tanks available • Complete NEMA 12 Control Panel Features: • Heavy gauge steel receivers • Simplex or duplex construction • Bronze fitted centrifugal pumps • Energy efficient 3450 RPM motors • Automatic venting • "Sterl-Seal" ceramic pump seal • Heavy-duty make-up water valve • Wide range of options and accessories