The Hurst 4VT Series is a vertical skid-mounted packaged boiler and comes complete with the boiler, burner, and all required controls and safety equipment. The 4VT Series boiler is a four-pass vertical tubeless design that offers a compact footprint that is perfect for small boiler rooms designed to meet small demands. This boiler is constructed to ASME Section I code and capable of operating for both high pressure steam or heating hot water.

The boiler was purchased brand new from Hurst with the new Oilon Burner and has been stored in a climate controlled Powerhouse warehouse since purchase. This unit is offered with a 1-yr warranty which matches or exceeds the original factory warranty.


  • BrandHurst
  • Boiler TypeVertical
  • Output Capacity863 - 1,725 PPH
  • Max Pressure30 - 159 PSIG
  • Fuel(s)#2 Oil, Natural Gas
  • ServiceSaturated Steam, Hydronic Hot Water
  • Emission Rating75 ppm

Technical Specifications

General Design

  • Manufacturer (OEM)Hurst
  • Year2018
  • Serial No. V216-150-281
  • National Board. No.22684
  • CRN. No.R3167.5
  • Model4VT-GP2-50-150S
  • TypeTubeless Vertical
  • DesignFour-Pass Vertical
  • MountingSkid-Mounted Package
  • InternalFour Serpentine Fin Passages

Capacitites and Inputs

  • Output Capacity1,725 LB/HR
  • Horsepower50 BHP
  • Design Pressure (MAWP)150 PSIG
  • Operating Range30-140 PSIG
  • Heating Surface216 FT²
  • Max Fuel InputNG: 2,100,000 BTU/HR #215.0 GAL/HR
  • Standard FuelsNatural Gas & #2 Fuel Oil
  • Additional Fuels-
  • Input Gas Pressure5.8 - 14.0" WC
  • Turndown RatiosLHO Operation
  • Emission Rating (NOX)NG: 75 PPM #2: 90 PPM

Burner and Electrical

  • Burner Manufacturer (OEM)Power Flame
  • ModelC2-GO-20B
  • TypeOn-Off Operation (LHO)
  • Flue Gas Recirculation (FGR)No
  • Electric460V/3PH/60Hz
  • AtomizationPressure
  • Control TypeSingle-Point Positioning
  • Boiler Control System-
  • Burner Management SystemRM7897C-1000 Honeywell
  • Flame SafeguardUV Scanner
  • Blow Motor1.5 HP ODP
  • Burner InstalledYes
  • Pilot TypeNG
  • Instrument AirNone
  • Air CompressorNot Required

Dimensions and Weights

  • Overall Length10' 10-7/8"
  • Overall Height8' 9"
  • Overall Width5' 11-1/2"
  • Shipping Weight7000 lbs
  • Operating Weight 9000 lbs
  • Boiler Outlet6" 150# FLG
  • Exhaust Outlet12" OD

Technical Overview PDF

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