BEI’s HeatSponge boiler economizers, the most modern steam boiler economizer available to global industry today.

• Compression-fit tubes for ease of maintenance with no ASME code welding required
• Removable rear door for full access to inside of unit
• Tubes, fins, and casing available in carbon and a variety of stainless steel materials for maximum flexibility in application
• Capable of both conventional and condensing operation
• Standard construction is ASME Section VIII with Section I available
• Inlet and outlet gas transitions integrated into the one-piece fully insulated casing provides for fast installation.

Cain Industries offers an extensive selection of boiler economizers specifically designed to recover BTU exiting the exhaust stack and transfer it back into a desired heat sink. Our broad line of economizers cover the spectrum of boiler sizes, ranging from very small hot water boilers with burner inputs of 200,000 BTU/hr to large boilers delivering steam at 250,000 lb/hr. Cain also produces boiler feedwater systems, condensate tank and pump systems, exclusive sootblower assemblies and unique modulating internal exhaust gas bypass systems.