California Boiler

Tanks

​Niles Steel Tank

2205 Stainless Steel

Ferritic-austenitic stainless steel also referred to as duplex stainless steels, combine many of the beneficial properties of ferritic and austenitic steels.

Chilled Water Buffer Tanks

Chilled water buffer tanks are essential components in modern day chiller systems.

Expansion Bladder Tanks

Thermal Expansion tanks are used to help eliminate the expansion forces caused by heating and cooling of pressurized systems water.

General Process Tanks

Niles Steel Tank has been manufacturing tanks and vessels for over 115 years.

Hot Water Generators

Niles Steel Tank Hot Water Generators are equipped with 2 or 4 pass, single or double wall construction, U-bend heat exchangers.

Hydraulic Separators

The Niles Steel Tank Hydraulic Separator is designed to help reduce short cycling of a boiler system and separate building and boiler circulation.

Indirect Water Heaters

Provide superior heat transfer capabilities when used with a boiler or other hydronic heating source such as a heat pump or solar.

Insulation And Topcoat

Niles Steel Tank insulation & topcoat is a great alternative to the steel jacket with insulation.

Linings

Niles Steel Tank offers several options for interior tank or pipe linings.

Solar Tanks

Niles Steel Tank offers a full line of both commercial and residential solar tanks. 

Water Storage Tanks

Niles Steel Tank large volume hot water storage tanks are built to the highest standards in the industry and come with a 5 year limited warranty.

Sterlco

3500 Series Boiler Feed Units

Sterlco® 3500 Series Boiler Feed Units set new standards of performance. Reliable and efficient, each unit features heavy gauge, 3/16” steel receivers for long operating life.

In addition, 3450 RPM motors assure maximum efficiency while maintaining minimum motor horsepower. Available in a wide range of sizes, these U.S. made pumps have just the right accessories and options to meet your unique needs. What’s more, a nationwide network of stocking distributors means fast, easy, year-round access to pumps and replacement parts.

4100 Series Boiler Feed Units

Sterlco® 4100 Series Boiler Feed Pumps set new standards of performance. Reliable and efficient, each unit features heavy gauge, 3/16” steel receivers for long operating life.

In addition, 3450 RPM motors assure maximum efficiency while maintaining minimum motor horsepower. Available in a wide range of sizes, these U.S. made pumps have just the right accessories and options to meet your unique needs. What’s more, a nationwide network of stocking distributors means fast, easy, year-round access to pumps and replacement parts.

4100 Series Condensate Units

Sterlco® 4100 Series Condensate Pumps set new standards of performance. Reliable and efficient, each unit features heavy gauge, 3/16” steel receivers for long operating life.
In addition, 3450 RPM motors assure maximum efficiency while maintaining minimum motor horsepower. Available in a wide range of sizes, these U.S. made pumps have just the right accessories and options to meet your unique needs.

4200 Series Boiler Feed Units

Sterlco® 4200 Series Boiler Feed Pumps set new standards of performance. Reliable and efficient, each unit features heavy duty cast iron receivers for long operating life.

In addition, 3450 RPM motors assure maximum efficiency while maintaining minimum motor horsepower. Available in a wide range of sizes, these U.S. made pumps have just the right accessories and options to meet your unique needs. What’s more, a nationwide network of stocking distributors means fast, easy, year-round access to pumps and replacement parts.

4200 Series Condensate Units

Sterlco® 4200 Series Condensate Pumps set new standards of performance. Reliable and efficient, each unit features heavy duty cast iron steel receivers for long operating life.

In addition, 3450 RPM motors assure maximum efficiency while maintaining minimum motor horsepower. Available in a wide range of sizes, these U.S. made pumps have just the right accessories and options to meet your unique needs. What’s more, a nationwide network of stocking distributors means fast, easy, year-round access to pumps and replacement parts.

4300 Series Boiler Feed Units

Sterlco® 4300 Series Boiler Feed Pumps set new standards of performance. Reliable and efficient, each unit features heavy gauge, 3/16” stainless steel receivers for long operating life.

In addition, 3450 RPM motors assure maximum efficiency while maintaining minimum motor horsepower. Available in a wide range of sizes, these U.S. made pumps have just the right accessories and options to meet your unique needs. What’s more, a nationwide network of stocking distributors means fast, easy, year-round access to pumps and replacement parts.

4300 Series Condensate Units

Sterlco® 4300 Series Condensate Return Pumps set new standards of performance. Reliable and efficient, each unit features heavy gauge, 3/16” stainless steel receivers for long operating life.

In addition, 3450 RPM motors assure maximum efficiency while maintaining minimum motor horsepower. Available in a wide range of sizes, these U.S. made pumps have just the right accessories and options to meet your unique needs. What’s more, a nationwide network of stocking distributors means fast, easy, year-round access to pumps and replacement parts.

5000 Series Boiler Feed Units

Sterlco® 5000 Series Boiler Feed Units set new standards of performance. Reliable and efficient, each unit features heavy gauge, 3/16” steel receivers for long operating life.

In addition, 3450 RPM motors assure maximum efficiency while maintaining minimum motor horsepower. Available in a wide range of sizes, these U.S. made pumps have just the right accessories and options to meet your unique needs. What’s more, a nationwide network of stocking distributors means fast, easy, year-round access to pumps and replacement parts.

56-T Series Temperature Control Valves

The Sterlco® 56-T Series Temperature Actuated Water Regulating Valve evenly regulates cooling water and other fluids in the most rugged applications. It’s ideal for hydraulic power packaged equipment, hydraulic presses, or wherever reliable performance is required.

Sterlco® self-modulating cooling control valves are temperature actuated, self powered, and applicable to cooling processes using water or other fluids. 56-T Series valves are available in eight different sizes. To ensure dependability, every valve is factory-tested three times in different temperature baths. For the temperature control you need, get the valve that can deliver.

D150-F/R150-F Temperature Control Valves

Simple yet efficient design requires minimum maintenance. Heavy duty construction assures long valve life. Valves are temperature actuated, self-powered, fully balanced, and applicable to heating (D150-F) or cooling (R150-F) processes using water, oil,  steam or other fluids.

G Series Centrifugal Pumps

The Sterlco® G Series Centrifugal Pumps are designed so the motor shaft will not be exposed to water. Provisions for seal flush or vent are provided. The pumps are close-coupled to a 3450 RPM motor (open drip-proof, totally enclosed, washdown duty, or explosion-proof).

J Series Centrifugal Pumps

The Sterlco® J Series Centrifugal Pumps are designed so the motor shaft will not be exposed to water. Provisions for seal flush or vent are provided. The pumps are close-coupled to a 3450 RPM motor (open drip-proof, totally enclosed, or explosion-proof).

boiler service

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Our complete line of boiler room equipment includes a wide range of boilers, burners, hot water heaters, feedwater systems, blowdown systems, fuel efficient equipment, control systems, oil heaters and stack systems.

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boiler rentals

Need short term? Rent your boiler equipment.

We maintain a fleet of self-contained skid-mounted rental boilers that we can deliver to your location! Learn More