Patterson Kelley

Located in East Stroudsburg, Pennsylvania, Harsco Industrial Patterson-Kelley is a recognized market leader and major producer of heat transfer equipment. Our hot water boilers and water heaters are installed in institutional, commercial, and industrial building applications such as schools, offices, apartment buildings, dormitories, hospitals, and hotels.

Harsco Industrial Patterson-Kelley serves the commercial heating industry with the best-known and most respected products in the field. Customers look to us for expert engineering support and in-depth understanding of their unique applications, and we meet the needs of their most challenging applications by applying our expertise and unmatched resources to every project.

 

 

Hot Water/Commercial Boilers Condensing Designs

P-K SONIC® Stainless Steel Condensing Boilers

  • Size Range: 1500-4000 MBTU
  • Unique stainless alloys resist corrosive condensation
  • Patented DUET™ Technology Up to 60% smaller than the leading competition
  • Reliable, easy to use NURO® Control maximizes boiler plant efficiency
  • Certified low NOx performance
  • Full modulation burner with 5:1 turndown
  • Variable speed combustion air blower
  • Fits through an existing 36” doorway
  • Barely audible, even at high fire
  • Actual net thermal efficiencies may be achieved up to 99%
  • 4 digital inputs
  • Lead/lag cascade control w/ outdoor reset
  • MODBUS RS-485 communication protocol
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P-K MACH®
  • Size Range: 750-4000 MBTU
  • Equipped with the latest touch-screen technology, the NURO™ Touch-Screen Control
  • All-purpose boiler suitable for condensing and non-condensing systems
  • Revolutionary new, fully independent cast sectional heat exchanger
  • Unique aluminum alloy resists corrosive condensate
  • Full modulation burner with 5:1 turndown
  • Extremely low electrical energy consumption increase potential savings
  • Actual net thermal efficiencies may be achieved up to 99%
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P-K MACH® Dual Fuel Condensing Boilers
  • Size Range: 750-4000 MBTU
  • Fully modulating Dual fuel – natural gas and liquid propane
  • Variable speed combustion blower
  • Dual modulating gas safety shut off / control valves
  • Aluminum alloy heat exchanger capable of operating in a fully condensing mode
  • Space-saving design Complies with low NOx standards
  • NURO® Control system
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P-K MACH® CM Series Condensing Boilers

  • Size Range: 300-500 MBTU
  • Runs on natural gas or liquid propane
  • Versatile piping arrangements
  • >90% CSA certified efficiency
  • Wall mounting bracket (optional) 
  • Low NOx emissions on standard boiler
  • 12″ (standard) or 18″ floor stand (optional)
  • Small footprint
  • ENVI control
  • Zero clearance
  • Ease of service reduces maintenance time and cost
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P-K MACH® Outdoor Condensing Boilers
  • Size Range: 750-2000 MBTU
  • CSA-certified efficiencies from 92 to 96%
  • Certified and tested for outdoor use
  • Factory – installed outdoor kit saves installation time Operates in ambient temperatures as low as -20°F
  • Operates in ambient temperatures as low as -20°F
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Hot Water/Commercial Boilers Non-Condensing Designs

P-K THERMIFIC VELOX™ Non-Condensing Boilers
  • Size Range: 750-2000 MBTU
  • Completely packaged design
  • Compact/modular design allows multiple units to be installed in tandem
  • Vertical burner/heat exchanger design
  • Unique integral finned copper water tubes
  • High heat transfer ratio
  • Lo-Hi-Lo operating controls on some models
  • Operates quietly, below OSHA standards
  • CSA (AGA/CGA) certified and ASME approved
  • CSA certified thermal efficiency of 85% as a Category I non-positive, non-condensing appliance
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P-K THERMIFIC® Non-Condensing Boilers
  • Size Range:  700-2000 MBTU
  • Compact/modular design allows multiple units to be installed in tandem
  • Vertical burner/heat exchanger design
  • Unique integral finned copper water tubes
  • High heat transfer ratios
  • Lo-Hi-Lo operating controls on some models
  • Propane option
  • Sealed combustion option
  • Operates quietly, below OSHA standards
  • CSA certified and ASME approved
  • 5-10-5 Warranty
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P-K MODU-FIRE® Forced Draft Non-Condensing Boilers

  • Size Range: 750-3000 MBTU
  • Small, modular configuration Big output
  • Smooth 5:1 turndown can track varying loads down to 20% of rated capacity
  • Dynamic air density compensation Eliminates short cycling in high ΔT variable speed pumping systems
  • First boiler of its kind to offer system oriented intelligence
  • Accurate firing rate feedback – analog output signal proportional to firing rate
  • Small diameter 
  • Category IV venting
  • 5-10-5 Warranty
  • Zero clearance
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Domestic Hot Water Boilers

P-K THERMIFIC® D Series Direct Water Heaters
  • Size Range: 700-2000 MBTU
  • Optional storage tank can complete the package; contact us for more information
  • Compact/modular design allows multiple units to be installed in tandem
  • Vertical burner/heat exchanger design
  • Unique integral finned copper water tubes
  • High heat transfer ratios
  • Lo-Hi-Lo operating controls on some models
  • Propane option
  • Sealed combustion option
  • Operates quietly, below OSHA standards CSA certified and ASME approved
  • 5-10-5 Warranty

 

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P-K CONTROL-Flo™ Storage Indirect Water Heaters
  • Size Range: 170-4070 gallons
  • Instant response to hot water demand
  • Constructed of carbon steel on the shell side
  • Lined with PRE-KRETE® with non-prorated 20 year corrosion resistance warranty link
  • Total non-ferrous or stainless steel construction is also available
  • Recovery capacities from 120 to 39,660 gph
  • Horizontal and vertical models available
  • Standard Flow or Reverse Flow
  • ASME constructed
  • 20 year warranty against leakage in the pressure vessel
  • 20 year warranty against any failure with the ANTICIPATOR® temperature control
  • Performs equally well with steam, boiler water or high temperature hot water

 

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P-K DURATION II™
  • 30 Simplex-80 duplex heat exchanger
  • Compact footprintSingle or double wall heat exchanger
  • Pair with any condensing boiler for efficient domestic hot water
  • All stainless steel, cooper or copper alloy wetted (potable water side) surfaces
  • Packaged with controller and electronic valves
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P-K DURATION™
  • Size Range:  300-2000 MBTU
  • Small footprint helps to save valuable floor space.
  • Single or double wall heat exchanger
  • Pair with a PK Mach condensing boiler for efficient domestic hot water
  • Optional air separator and expansion tank
  • Optional domestic hot water bronze pump with VFD control
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P-K COMPACT® Semi-Instantaneous Indirect Water Heaters
  • High quality design and construction
  • Complete package with only four piping connections
  • High capacity output
  • ANTICIPATOR® temperature control regulates hot water outlet temperatures ±4°F
  • Copper-nickel shell, naval brass tubesheet and optional copper (copper nickel) preclude rusty water
  • Double solenoid temperature-limit system prevents overheated water from entering the distribution system
  • Meets seismic Zone 4 requirements
  • Built to ASME standards; meets code requirements Meets BOCA and IAPMO code requirements
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P-K MACH ‘n Roll™
  • Size Range:  300-1050 MBTU
  • Entire package fits in the boiler footprint
  • Domestic water loop is isolated from the boiler loop
  • Precise temperature regulation with no mixing valve required
  • Domestic Water Supply Return to Storage Tank
  • All the features of a P-K MACH® condensing boiler,including: NURO® Control
  • Certified low NOx performance
  • Aluminum alloy heat exchanger
  • Full modulation burner with 5:1 turndown
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    Controls

    NURO® Touch-Screen Control System
    • Interactive 7" Touch Screen interface or USB mouse/keyboard
    • Set-Up Wizard to walk you through the operational set up parameters
    • Flame safeguard device Lead/lag cascade control w/ outdoor reset
    • Software upgrade via a USB drive
    • MODBUS RS-485 communication protocol
    • Text based display
    • Ports – 2 USB, ethernet, Mini USB, SD Comm Ports (3) – flame, cascade, BMS (all are RS 485 modbus rtu)
    • Embeded wireless driver
    • 4 digital Inputs 4 configurable relay Outputs (rated for 0.5 amp)
    • Aligns with ASHRAE 90.1 VFD requirement
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