Sterling 1/3 HP pump and motor for 115/230 volt, single phase 4100 and 4200 series pumps.

Sterling 1/3 HP pump and motor for 208/230 volt, three phase 4100 and 4200 series pumps.

Sterling 1/2 HP pump and motor for 115/230 volt, single phase 4100 and 4200 series pumps.

Sterling 1/2 HP pump and motor for 208/230 volt, three phase 4100 and 4200 series pumps.

Sterling seal kit for 4100 and 4200 series pumps.

Sterling housing gasket for 4100 and 4200 series pumps.

Sterling thermostatic bellows for 1/2" and 3/4" 7-50, 7-70, and 7-80 series radiator traps, as well as, 69B F&T traps.

Sterling thermostatic bellows for 1" 7-15A, M7-15A, and 8-12A radiator traps.

Sterling thermostatic bellows for 1/2" and 3/4" 7-50, 7-70, and 7-80 series (with stainless steel trim), as well as, M7-50A, M-7-53A, 8-50A, and 8-53A radiator traps.

Sterling float for 3/4" 69B (15 pound pressure) F&T traps.

Sterling float for 1" 74C (15 pound pressure) F&T traps.

Sterling float for 1-1/4" 74C and 1-1/2" 78D (15 pound pressure) F&T traps.

Sterling float for 2" 80B (15 pound pressure) F&T traps.

Sterling float for 3/4" 56 (75 pound pressure) F&T traps.

Sterling float for 1" 57 (75 pound pressure) F&T traps.

Sterling float for 1-1/4" 57 (75 pound pressure) F&T traps.

Sterling float for 3/4" 86 (125 pound pressure) F&T traps.

Sterling float for 1" 87 (125 pound pressure) F&T traps.

Sterling float for 1-1/4" 88 (125 pound pressure) F&T traps.

Sterling repair kit for 69B F&T traps, including an air vent, gasket, float mechanism (less float), and all other necessary parts.

Sterling repair kit for 74C F&T traps, including an air vent, gasket, float mechanism (less float), and all other necessary parts.

Sterling repair kit for 75C F&T traps, including an air vent, gasket, float mechanism (less float), and all other necessary parts.

Sterling repair kit for 78D F&T traps, including an air vent, gasket, float mechanism (less float), and all other necessary parts.

Sterling repair kit for 80B F&T traps, including an air vent, gasket, float mechanism (less float), and all other necessary parts.

Sterling repair kit for 56 F&T traps, including an air vent, gasket, float mechanism (less float), and all other necessary parts.

Sterling repair kit for 57 F&T traps, including an air vent, gasket, float mechanism (less float), and all other necessary parts.

Sterling repair kit for 58 F&T traps, including an air vent, gasket, float mechanism (less float), and all other necessary parts.

Sterling repair kit for 86 F&T traps, including an air vent, gasket, float mechanism (less float), and all other necessary parts.

Sterling repair kit for 87 F&T traps, including an air vent, gasket, float mechanism (less float), and all other necessary parts.

Sterling repair kit for 88 F&T traps, including an air vent, gasket, float mechanism (less float), and all other necessary parts.

Sterling brass seat for 1/2" and 3/4" 7-50, 7-70, and 7-80 series radiator traps.

Sterling stainless steel seat for 1" 7-15A and 8-12A series radiator traps.

Sterling stainless steel seat for 1/2" M-7-50A and 3/4" M-7-53A radiator traps.

Sterling stainless steel seat for 1/2" 8-50A radiator traps.

Sterling cap for bellows on all 1/2" and 3/4" radiator traps.

Sterling cap for bellows on all 1" 7-15 and 8-12 radiator traps.

Sterling union nipple for 1/2" 7-50, 7-70, and 7-80 series radiator traps, as well as, 69B F&T traps.

Sterling union nipple for all 3/4" series radiator traps.

Sterling union nipple for all 1" series radiator traps.

Sterling union nut for all 1/2" series radiator traps.

Sterling union nut for all 3/4" series radiator traps.

Sterling union nut for all 1" series radiator traps.

Sterling 3/4" brass bulb well for standard 6' 150 series valves.

Sterling 3/4" stainless steel bulb well for standard 6' 150 series valves.

Sterling 1" brass bulb well for special length capillaries over 8' on 150 series valves.

Sterling 1" stainless steel bulb well for special length capillaries over 8' on 150 series valves.

Sterling isolation valve for 4100 and 4200 series pumps.

The Sterling 4122GF is a boiler feed pump that has a 3/4" connection and a 1/3 HP, 3450 RPM, 115v single phase motor. The 4122GF is a simplex unit, with a 30 gallon tank, capable of pumping 3 GPM at 20 psi and 15 BHP.

The Sterling 4122GF is a boiler feed pump that has a 3/4" connection and a 1/3 HP, 3450 RPM, 208-230/460v three phase motor. The 4122GF is a simplex unit, with a 30 gallon tank, capable of pumping 3 GPM at 20 psi and 15 BHP.

The Sterling 4122GDF is a boiler feed pump that has a 3/4" connection and a 1/3 HP, 3450 RPM, 115v single phase motor. The 4122GDF is a duplex unit, with a 30 gallon tank, capable of pumping 3 GPM at 20 psi and 15 BHP.