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Dunkirk PSB6D Cast Iron Natural Gas Boiler

SKU: 389073

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Save 28% · Retail: $3,598.00

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About the Dunkirk 356001000

Dunkirk PSB6D Cast Iron Natural Gas Boiler. Since the late 1920's, Dunkirk has delivered innovative, efficient and dependable home heating systems to professionals, building owners and homeowners. This is the best way to deliver heating equipment that lasts and reduces home heating costs. Dunkirk's Plymouth Steam (PSB) Boiler offers a great combination of heating comfort, efficiency, and Dunkirk dependability. Additional features include an electronic low-water cut off, and electronic ignition.

Product Details

Product: Boiler
Fuel Type: Natural Gas
Mpn # 356001000
Weight 512.00 lbs.

Product Features

  • 356001000
  • Input of 187.5
  • Heating Capacity of 153
  • AHRI of 115
  • AFUE % Rating of 82.0
  • Flue Diameter of 7"


4.5 out of 5 rating is our rating for PlumbersStock, we got that rating because we have lots of experience and great people with expertise in plumbing. BUT WE WANT YOUR HELP. This product doesn't have any reviews yet, and we don't want to write our own reviews. It is more valuable to us that the customers get to share their experience with our products. Please, if you have any experience with this product, take a moment to share and help someone else who is trying to make a decision. Thank you!

Questions & Answers


Hi, there! Thank you for your interest in our Dunkirk PSB6D natural gas boiler. Are you asking what material this boiler is made of? This boiler is made mainly of cast-iron. The heat exchanger and push nipples are cast-iron while the pig-tail siphon is made of brass/copper. Hope this answered your question. You can also take a look at this specification sheet for more details. You can purchase this product by clicking Add to Cart. Enter your zip code on the next page and you're all set. Thank you and we hope to see you again here at!