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McKenna Boilers – JFS Series

Steam Pressures from 15 to 150 psi
High Pressure Boilers 
Skid Mounted

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A cleaner, more efficient way to generate steam.

To meet some of today’s most stringent emission requirements, McKenna Boilers utilize efficient, simple, cost effective and proven systems, designed to burn cleaner and contribute to a more sustainable environment.

  • High pressure boilers with capacities from 5BHP to 150BHP, 220 to 6,300 MBTU/HR
  • Steam pressures from 15 to 150 psi
  • Skid mounted
  • Engineered, constructed and stamped in accordance with the latest ASME codes
  • Inspected and registered with the National Board of Boiler and Pressure Vessel Inspectors

Boiler Design:
2-Pass Dry-back design offers full access to the boiler tubes, tube sheet, and furnace for easy maintenance

Force draft power burner with pre-piped, wired and tested fuel configurations for natural gas, propane gas, No. 2 oil, or combination of gas/oil

Boiler Trim:
Safety relief valve, operating pressure control with manual reset, steam pressure gauge, combination pump control and low water cut-off with gauge glass assembly and drain valve, auxiliary low water cut-off with manual reset

Standard Features:

  • Large heating surface area offers an increased combustion chamber for a more complete combustion and high efficiency
  • Exhaust stack is front mounted with a slip-on stack connector
  • Full access to the boiler tubes is available with a hinged rear door and removable front door
  • Openings for clean out and inspection of waterside are provided with 4″ x 6″ hand holes and with 12″ x 6″ manholes (50HP and up)
  • Hi-temperature textured paint to resist fading
  • Firetubes are rolled and beaded on all boilers
  • Completely wired and piped for more convenient installation
  • Water column complete with gauge glass, tri-cocks and a combination pump controller and primary low water cut-off
  • Modulating pressure controls available
  • Secondary auxiliary L.W.C.O. probe, steam pressure gauge and text cock
  • Solid-state combination pressure control, automatic operating control, and high-limit manual reset control
  • Pressure relief valve(s) per ASME code


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