Columbia Boiler Company

ATI’s mission is to supply our clients with industry-leading boiler room and combustion related equipment. Columbia Boiler Company offers a product line proven to rank among the best with their dependable, long-lasting boilers.
Columbia Boiler manufactures low and high pressure steam boilers, water heaters and a line of boiler accessories for commercial and industrial applications. After specializing in boiler manufacturing over the last seven decades, Columbia Boiler amassed a large, variegated product line. Columbia Boiler has expanded over the years and now engages in worldwide distribution of its products. They still remain a family-owned business that takes great pride in engineering each of its boilers for decades of reliable service.
Markets: Brewing & Distillation, Dry Cleaners, Seafood Processing, Bakeries, Hospitals & Medical Centers, Automotive, Home/Business Heating
ATI can help you determine which type of boiler will best serve your specific needs. We have listed and briefly describe Columbia Boiler's product line below and include links leading to additional information.
Commercial & Industrial Boilers
MPH Series
These are low-pressure steam boilers with a compact design. Their three-pass firetube heating method is up to 90% fuel-efficient.
CT Series
The CT is Columbia's most popular high-pressure steam boiler. It has a compact, three-pass vertical tubeless design that is highly fuel-efficient.
Keystone Series
This series of steam boilers works at both high and low pressure and is also a three-pass design.
MPHX Series
These are instantaneous hot water heaters utilizing indirect heating via copper coils to make them corrosion-free.
Legacy/Replacement Units
The GL/L, WL, and HRT Series of boilers and the CWH tankless water heater.
Waste Oil Boilers/Heaters
LVWO Boilers
KWO and KWO-500
HRT 20
Columbia Steam Boiler Accessories

- Condensate return systems: These energy-saving products are designed to be compatible with numerous steam heating/steam process boilers. Their heavy-gauge-steel construction, tough-built drip-proof motor/turbine pumps, and suction pipes set above sediment levels, all make for high durability. Water-level gauges, float-operated make-up valves, and horizontal/vertical configuration options give convenience and versatility.
- Boiler feed systems: Columbia's boiler feed systems offer the same array of industry-leading features as their condensate return systems, and they come with extremely generous feedwater storage capacities.
- Blowdown separators: Columbia separators include an innovate water seal at the boiler outlet that enables mixing of cold bottom water with hot water/steam, which lowers outlet temperatures to safe discharge levels.