Series 4100 Pumps & Parts
Sterling boiler feed pumps, model 4100, store the returning condensate in their large receiver tanks. Once the boiler control “calls” for water, the pumps kick-on until the boiler control tells the pump to “stop.” These Sterling brand boiler feed pumps are pre-packaged and sold based on the horsepower of your boiler. 20 psi pumping pressure. Select from Simplex (1 pump) or Duplex (2 pump) models. 1-phase motors wired 115V, field convertible to 230V; 3-phase motors @ 208-230/460V. Mechanical water make-up valves and gauge glass standard on all models. The receiver is sized to handle the condensate from the maximum Boiler HP shown. Call State Supply City Desk for professional product application information: 877-775-7705.
Sterling Steam Condensate Pump Documentation
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SKU: ST2020
Sterlings 4100 series boiler feed pump, simplex, rated to 15 boiler horsepower, 30lbs. operating pressure., 30 gallon steel receiver, 3 gpm, 1/2HP, 1 phase. See options for mag.starters, control panels, electric solenoid operated make-up water valve in place of std.mech.float valve, thermometer and isolation valves.
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SKU: ST2025
Sterlings 4100 series boiler feed pump, simplex, rated to 15 boiler horsepower, 30lbs. operating pressure., 30 gallon steel receiver, 3 gpm, 1/2HP, 3 phase. See options for mag.starters, control panels, electric solenoid operated make-up water valve in place of std.mech.float valve, thermometer and isolation valves.
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SKU: ST2110
Sterlings 4100 series boiler feed pump, duplex, rated to 30 boiler horsepower, 30lbs. operating pressure., 30 gallon steel receiver, 6 gpm, 1/2HP, 1 phase. See options for mag.starters, control panels, electric solenoid operated make-up water valve in place of std.mech.float valve, thermometer and isolation valves.
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SKU: ST2115
Sterlings 4100 series boiler feed pump, duplex, rated to 30 boiler horsepower, 30lbs. operating pressure., 30 gallon steel receiver, 6 gpm, 1/2HP, 3 phase. See options for mag.starters, control panels, electric solenoid operated make-up water valve in place of std.mech.float valve, thermometer and isolation valves.
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SKU: ST2100
Sterlings 4100 series boiler feed pump, simplex, rated to 30 boiler horsepower, 30lbs. operating pressure., 30 gallon steel receiver, 6 gpm, 1/2HP, 1 phase. See options for mag.starters, control panels, electric solenoid operated make-up water valve in place of std.mech.float valve, thermometer and isolation valves.
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SKU: ST2105
Sterlings 4100 series boiler feed pump, simplex, rated to 30 boiler horsepower, 30lbs. operating pressure., 30 gallon steel receiver, 6 gpm, 1/2HP, 3 phase. See options for mag.starters, control panels, electric solenoid operated make-up water valve in place of std.mech.float valve, thermometer and isolation valves.
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SKU: ST2050
Sterlings 4100 series boiler feed pump, duplex, rated to 15 boiler horsepower, 40lbs. operating pressure., 30 gallon steel receiver, 3 gpm, 1HP, 1 phase. See options for mag.starters, control panels, electric solenoid operated make-up water valve in place of std.mech.float valve, thermometer and isolation valves.
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SKU: ST2055
Sterlings 4100 series boiler feed pump, duplex, rated to 15 boiler horsepower, 40lbs. operating pressure., 30 gallon steel receiver, 3 gpm, 1HP, 3 phase. See options for mag.starters, control panels, electric solenoid operated make-up water valve in place of std.mech.float valve, thermometer and isolation valves.
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SKU: ST2040
Sterlings 4100 series boiler feed pump, simplex, rated to 15 boiler horsepower, 40lbs. operating pressure., 30 gallon steel receiver, 3 gpm, 1HP, 1 phase. See options for mag.starters, control panels, electric solenoid operated make-up water valve in place of std.mech.float valve, thermometer and isolation valves.
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SKU: ST2045
Sterlings 4100 series boiler feed pump, simplex, rated to 15 boiler horsepower, 40lbs. operating pressure., 30 gallon steel receiver, 3 gpm, 1HP, 3 phase. See options for mag.starters, control panels, electric solenoid operated make-up water valve in place of std.mech.float valve, thermometer and isolation valves.
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