​Niles Steel Tank

Niles Steel Tank designs and manufactures water storage tanks, pressure vessels and steel tanks for boilers.

  • Lined hot water storage tanks from 30 gallon - 3,000 gallon
  • Hot water generator tanks
  • Blowdown tanks
  • Solar tanks


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.


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.