ECR International's Dunkirk brand — value-focused gas boilers from condensing to cast iron
Dunkirk is a gas boiler brand of ECR International, a US manufacturer that also produces Utica Boilers. The current Dunkirk lineup ranges from the newest Royal stainless-steel condensing boilers and DCC/DCB wall-mounted condensing models to the compact Q90 and traditional cast-iron boilers. Dunkirk is positioned as a contractor-friendly, value-oriented brand.
4 series · 13 individual models. Click any series for full specs, pricing, and installation details.
95.2% AFUE condensing combi with up to 5.1 GPM hot water
The Royal CO is Dunkirk's newest wall-hung condensing combi boiler, providing heat and domestic hot water from one compact unit under about 101 lbs. It offers 95.2% AFUE, a 10:1 turndown, and up to 5.1 GPM of hot water across three sizes.
Efficiency
Up to 95.2% AFUE
BTU Range
80,000 - 200,000 BTU
Models
3
Heating-only condensing boiler up to 95.2% AFUE
The Royal CH is the heating-only version of Dunkirk's Royal condensing line, built around the same stainless-steel water-tube heat exchanger and 10:1 turndown. Five residential sizes cover a broad range of home heating loads and pair well with an indirect water heater.
Efficiency
Up to 95.2% AFUE
BTU Range
80,000 - 200,000 BTU
Models
4
Compact cast-aluminum condensing boiler for tight spaces
The Q90 Series 4 is a compact 90% AFUE condensing boiler built around a cast-aluminum heat exchanger, designed for low-clearance and limited-space applications. It is a sealed-combustion unit approved for polypropylene venting with an adjustable induced-draft exhaust.
Efficiency
Up to 90% AFUE
BTU Range
50,000 - 100,000 BTU
Models
3
Traditional cast-iron gas hot-water boiler
Dunkirk's PSB is a gas-fired cast-iron hot-water boiler offered as a durable, conventional option in the lineup. Its cast-iron sections provide proven longevity for chimney-vented hydronic systems.
Efficiency
Up to 84% AFUE
BTU Range
75,000 - 245,000 BTU
Models
3
Permit pulled, full commissioning, warranty registration.
Diagnose error codes, faults, and failures across all models.
Annual service keeps warranty valid and efficiency high.
Same-day no-heat, leak, gas-smell & CO-alarm response.
We service Dunkirk (ECR International) boilers in every Greater Vancouver community. Same-day response in our core service area.
Real 5-star Google reviews from CANRO Boiler Service & Repair customers across Greater Vancouver.
Nikita Bhatia
Joe and Allan are a great team. They gave me the right advice and helped me make a good decision with my heating system. Professional, knowledgeable, and a genuine pleasure to deal with from start to finish.
William
Canro boiler services were genuine life savers. I was stuck without heat overnight and they came by and got my boiler running again. Fast, professional, and genuinely caring about their customers. Could not recommend them more highly.
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Five stars for Canro Boiler Service and Repair. We needed a replacement of a 30-year-old boiler. A new high-efficiency unit was installed professionally and efficiently. The difference in heating performance and cost savings has been remarkable.
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