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  1. Dunkirk Dunkirk
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  3. Product

Gas Boiler – WPSB Series 4

The Dunkirk WPSB Series 4 gas boiler is available in 7 sizes and an AFUE of up to 84.1%.

The WPSB features an advanced Fuel Smart Hydrostat 3-in-1 Control:

  • Temperature limit with LED display and easy dial settings. Diagnostic and function indicator lights.
  • Low Water Cutoff (LWCO) protects the boiler from damaging low water conditions.
  • Boiler Reset lowers the boiler temperature to save fuel by turning on the burner only when needed. Setup is quick with no need to install an outdoor sensor, just dial in the number of heating zones.

The WPSB features an Integral Draft Hood and Vent Damper, reducing the overall height and making the unit ideal for low clearance/space limited installations.

The compact footprint and Cast to Last, 20-Year Non-Prorated Limited Warranty make the WPSB an excellent choice for residential applications.

  1. Dunkirk Dunkirk
  2. /
  3. Product

Gas Boiler – WPSB Series 4

September 22, 2025 Current

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September 5, 2025 Current

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December 2, 2024 Current

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AT Series Electric Boiler

November 1, 2022 Current

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Combi Modulating Condensing Gas Boiler – DCCF

March 16, 2022 Current

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Modulating Condensing Gas Boiler – DCBF

March 16, 2022 Current

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Modulating Condensing Gas Boiler – Helix VLT

March 16, 2022 Archived

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Page 1 of 3123»
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