Sterlco

In 1916, the company then known as the Sterling Engineering Company was established with a corporate mission of controlling heating temperature systems. Today, we design and manufacture boiler feed and condensate packages, valves, traps, strainers, and pumps for steam and hot water systems.

Partnering with Sterling means more than just getting Sterlco® system components. Today, we offer an extensive line of standard products and have in-house engineering that can design a custom package specific to your application. From sterilization and precise temperature control to comfort heating and power generation, Sterlco® offers a variety of steam control products to keep your system running efficiently.


Sterlco 4028-G Simplex Condensate Return Pump

Sterlco 4028-G Simplex Condensate Return Pump

Regular price $1,020.00
Sterlco 4128-G Simplex Condensate Return Pump

Sterlco 4128-G Simplex Condensate Return Pump

Regular price $1,211.00
Sterlco 4128-GD Duplex Steel Condensate Pump

Sterlco 4128-GD Duplex Condensate Return Pump

Regular price $2,277.00
Sterlco 41215-G Simplex 30 Gallon Steel Condensate Pump

Sterlco 41215-G Simplex Condensate Return Pump

Regular price $1,388.00
Sterlco 41215-GD Duplex Condensate Return Pump

Sterlco 41215-GD Duplex Condensate Return Pump

Regular price $2,784.00
Sterlco 4224-G Simplex Cast Iron Condensate Pump

Sterlco 4224-G Simplex Condensate Return Pump

Regular price $1,632.00
Sterlco 4028-GS Simplex Stainless Steel Condensate Return Pump

Sterlco 4028-GS Simplex Stainless Steel Condensate Return Pump

Regular price $2,009.00
Sterlco 4328-G Simplex Stainless Steel Condensate Return Pump

Sterlco 4328-G Simplex Stainless Steel Condensate Return Pump

Regular price $2,316.00
Sterlco 4126-GF Simplex Boiler Feed System

Sterlco 4126-GF Simplex Boiler Feed System

Regular price $2,012.00
Sterlco 4128-GF Simplex Boiler Feed System.

Sterlco 4128-GF Simplex Boiler Feed System

Regular price $2,430.00
Sterlco 41215-GDF duplex boiler feed system with make-up water valve

Sterlco 41215-GDF Duplex Boiler Feed System

Regular price $4,046.00
Sterlco 692.98444.00 G Series Vertical Pump Mechanical Seal Kit.

Sterlco (Sterling) G Series Vertical Pump Mechanical Seal Kit

Regular price $127.00
Sterlco G Series Vertical Centrifugal Pump. ODP motor 605.00003.01 1/3 HP, 605.00003.12 1/2 HP, 605.00005.01 1/2 HP, 605.00005.10 1/2 HP, 605.00111.02 3/4 HP, 605.00111.03 3/4 HP. TEFC motor 605.00003.04 1/2 HP, 605.00003.06 1/2 HP, 605.00005.06 1/2 HP, 605.00005.04 1/2 HP, 605.00111.04 3/4 HP, 605.00111.06 3/4 HP.

Sterlco G Series Vertical Centrifugal Pump

Regular price $809.00
Sterlco 692.98445.00 J Series Vertical Pump Mechanical Seal Kit.

Sterlco (Sterling) J Series Vertical Pump Mechanical Seal Kit

Regular price $144.00
Sterlco 56T NPT Temperature Regulating Valve. 3/8" 560.01.0000, 560.02.0000, 560.03.0000, 560.04.0000, 560.05.0000, 560.06.0000. 1/2" 561.01.0000, 561.02.0000, 561.03.0000, 561.04.0000, 561.05.0000, 561.06.0000.

Sterlco 56-T Adjustable Self-Modulating Temperature Control Valve

Regular price $17.00
Sterlco 56-T Brass Bulb Thermowell. 696.36002.01, 3/8" and 1/2"; 696.36002.02, 3/4", 1", and 1-1/4"; 696.36002.03, 1-1/2"; 696.36002.04, 2" and 2-1/2".

Sterlco 56-T Temperature Bulb Well

Regular price $120.00
Sterlco 56-T Brass Special Bulb Thermowell. 696.36013.02, 9/16" x 3-1/4" with 1/2" NPT. 696.36013.01, 9/16" x 6-1/4" with 1/2" NPT. 696.36033.05, 9/16" x 30" with 3/4" NPT.

Sterlco 56-T Special Temperature Bulb Well

Regular price $367.00
Sterlco 56-T Temperature Regulating Valve Repair Kit. 3/8" 683.00004.06, 3/8" & 1/2" 683.00004.02, 3/4" 683.00004.03, 1" 683.00004.04, 1-1/4" 683.00004.05, 1-1/2" 162.00077.02, 2" 162.00077.03, 2-1/2" 162.00077.04.

Sterlco 56-T Adjustable Self-Modulating Temperature Control Valve Repair Kits

Regular price $80.50
Sterlco 56-T Power Element With 6' Capillary. 3/8" and 1/2" 696.27603.02, 3/4" 696.27618.02, 1" & 1-1/4" 696.67219.02, 1-1/2" 60 F - 140 F 162.00077.10, 100 F - 175 F 162.00077.12, 2" & 2-1/2" 60 F - 140 F 162.00077.01, 100 F - 175 F 162.00077.15.

Sterlco 56-T Power Element With 6' Capillary

Regular price $253.00
Sterlco 56 Series Pressure Actuated Water Regulating Valve. 3/8" P560.00.0000, 1/2" P561.00.0000, 3/4" P562.00.0000, 1" P563.00.0000, 1-1/4" P564.00.0000.

Sterlco 56 Series Pressure Actuated Water Regulating Valve

Regular price $327.00
Sterlco D-150-G Temperature Regulating Valve. 1/2" D150.01.0000, D150.02.0000, D150.03.0000, D150.04.0000, D150.05.0000, D150.06.0000, D150.07.0000. 3/4" D151.01.0000, D151.02.0000, D151.03.0000, D151.04.0000, D151.05.0000, D151.06.0000, D151.07.0000. 1" D152.01.0000, D152.02.0000, D152.03.0000, D152.04.0000, D152.05.0000, D152.06.0000, D152.07.0000.

Sterlco D-150-G Direct Acting Temperature Control Valve

Regular price $40.00
Sterlco D-150-G Brass Temperature Bulb Well. 693.10259.02, 693.13319.02.

Sterlco D-150-G Temperature Bulb Well

Regular price $91.00
Sterlco R-150-G Temperature Regulating Valve. 1/2" R150.01.0000, R150.02.0000, R150.03.0000, R150.04.0000, R150.05.0000, R150.06.0000, R150.07.0000. 3/4" R151.01.0000, R151.02.0000, R151.03.0000, R151.04.0000, R151.05.0000, R151.06.0000, R151.07.0000. 1" R152.01.0000, R152.02.0000, R152.03.0000, R152.04.0000, R152.05.0000, R152.06.0000, R152.07.0000.

Sterlco R-150-G Reverse Acting Temperature Control Valve

Regular price $40.00