Johnston Boiler

Top quality boiler manufacturing since 1864!

  • About
    • About
    • History
    • Vision & Mission
    • News & Events
    • Why Choose JBC?
      • Why choose JBC?
      • Green Technologies
      • Education & Training
    • Photo Gallery
      • Photo Gallery
      • Factory Tour
      • Customer Installations
  • Products
    • Industrial Boilers
    • 509 Series Boiler
    • XID Scotch Marine Boiler
    • 358 Series Boiler – Ohio Special
    • 309 Series Boiler
    • WHR Series Boiler
    • Burners
    • Ancillary Equipment
  • Customer Tools
    • Resources
    • General
      • General
      • Glossary
      • Boiler Room Air Supply
      • Installation
      • Natural Gas Prices
      • Properties of Air
      • Turndown
      • Water Quality
    • Product Knowledge
      • Product Knowledge
      • Boiler Guide Specifications
      • Boiler Formulas
      • Boil-Out Procedure
      • Boiler Trim
      • Emissions
      • Firetube Boiler Advantages
      • Hot Water Boiler – Policy Statements
      • Johnston Burner Maintenance
      • JBC Feedwater Valve
      • Scale Deposits and Efficiency Loss
      • Stack Design – Effects on Burner
  • Parts & Service
  • Contact Us
  • Find A Rep
  • File Access
    • Login / Logout
    • Files
Find A Rep
Rep Login

Products

Built to last.

Home > Products > 358 Series Boiler - Ohio Special > PFTJO 3-Pass (Steam)

PFTJO 3-Pass (Steam)

The Johnston 358 series boiler is specifically manufactured for the state of Ohio with 358 square feet of heating surface. In the State of Ohio, boilers over 358 square feet of heating surface requires a licensed operator, and  boilers with under 358  square feet of heating surface does not  require a licensed operator. The Johnston 358 series meets all of these requirements…

PFBX 3-Pass (Steam)

The Johnston 3-pass boiler has large steam and water storage areas, high efficiencies, and the ability to meet wide load demands. The three pass design can be manufactured up to a 750 HP steam boiler. The 3-pass maximizes heat transfer while minimizing the use of refractory – no expensive door repairs. The 309 Series package…

PFTA 4-Pass (Steam)

In 1978, Johnston introduced the first single furnace waterback 4-pass Scotch Marine boiler. Water backed reliability with 4-pass design efficiency? A dream come true. Every Johnston 4-pass maximizes effective heat transfer using a full five square feet of heating surface per BHP, while at the same time eliminating tube sheet stresses and costly maintenance repairs…

picture of a 4 Pass Steam Boiler

PFTJ 4-Pass (Steam)

In 1978, Johnston introduced the first single furnace waterback 4-pass Scotch Marine boiler. Water backed reliability with 4-pass design efficiency? A dream come true. Every Johnston 4-pass maximizes effective heat transfer using a full five square feet of heating surface per BHP, while at the same time eliminating tube sheet stresses and costly maintenance repairs…

PFTA 3-Pass (Steam)

Today, the Johnston 3-pass boiler is still a strong and dominate force in the boiler industry with its high steam and water storage areas, high efficiencies, rugged construction, and its ability to keep up with wide load demands.

PFTS 3-Pass (Steam)

Today, the Johnston 3-pass boiler is still a strong and dominate force in the boiler industry with its high steam and water storage areas, high efficiencies, rugged construction, and its ability to keep up with wide load demands.

PFTX 4-Pass (Steam)

In 1978, Johnston introduced the first single furnace waterback 4-pass Scotch Marine boiler. Water backed reliability with 4-pass design efficiency? A dream come true.

PFTX 3-Pass (Steam)

Today, the Johnston 3-pass boiler is still a strong and dominate force in the boiler industry with its high steam and water storage areas, high efficiencies, rugged construction, and its ability to keep up with wide load demands.

  • About
  • History
  • Vision & Mission
  • News & Events
  • Green Technologies
  • Why choose JBC?
  • Education & Training
  • Customer Installations
  • Photo Gallery
  • Factory Tour
  • Products
  • 509 Series Boiler
  • XID Scotch Marine Boiler
  • 358 Series Boiler – Ohio Special
  • 309 Series Boiler
  • WHR Series Boiler
  • Burners
  • Ancillary Equipment
  • Resources
  • General
  • Product Knowledge
  • Contact Us
  • Johnston Boiler
  • 300 Pine Street
    P.O. Box 300
    Ferrysburg, MI 49409-0300
  • P (616) 842-5050
  • F (616) 842-1854
  • Rep Login