Utica-Dunkirk

Utica-Dunkirk represents two historic hydronic heating brands sharing a common 1928 founding by Earle C. Reed in Utica and Dunkirk, New York. In 1999, the two companies merged into ECR International, Inc. (Earle C. Reed International), headquartered in Utica, New York, and currently a member of the Granby Industries family of companies. Both Utica Boilers and Dunkirk operate as parallel brands within ECR International, serving residential and commercial hydronic heating markets.

Product Lines

• UB90 Condensing Gas Hot Water Boiler: 90% AFUE, AHRI and ENERGY STAR certified. Sizes: 50K to 175K BTU (UB9050, UB9075, UB90100, UB90125, UB90150, UB90175). Cast aluminum HX, stainless steel premix burner, polypropylene venting approved, 15-year limited warranty.
• MAC Series (Modulating Condensing Combi Boiler): Simultaneous space heating and domestic hot water. Modulating operation for high-efficiency part-load performance.
• Non-condensing gas boilers for standard-efficiency applications
• Oil-fired boilers for oil-heat systems
• Electric boilers for applications without gas service
• Indirect water heaters for storage-based domestic hot water production paired with Utica boilers
• Dunkirk-branded parallel product lines sharing the ECR International platform

Why Contractors Specify Utica-Dunkirk

• More than 95 years of manufacturing history in the hydronic heating industry
• UB90: AHRI and ENERGY STAR certified, 90% AFUE, 15-year limited warranty
• Polypropylene venting approval for lower-cost retrofit vent options
• Cast aluminum HX and stainless steel premix burner for condensing operation longevity
• MAC combi boiler eliminates separate water heater in space-constrained installations
• National distributor network for parts availability across the US

How to Choose a Utica-Dunkirk Product

For natural gas condensing hot water heating: UB90 series sized to Manual J heating load (50K to 175K BTU). For heating plus domestic hot water from one appliance: MAC combi boiler. For oil-fired replacement: Utica oil boiler in appropriate net output size. Pair existing Utica boilers with Utica indirect water heaters for domestic hot water storage.

Frequently Asked Questions

• UB90 AFUE? 90% AFUE, AHRI and ENERGY STAR certified.
• UB90 warranty? 15-year limited warranty.
• Approved venting for UB90? Polypropylene, PVC, and CPVC venting approved.
• Are Utica and Dunkirk the same company? Yes. Both brands are part of ECR International, formed 1999 from the 1928 Reed companies.
• Combi boiler option? Yes. The MAC series is a modulating condensing gas combi boiler for space heating and domestic hot water.