ENERPRO - EPN series

The EPN has an efficiency rating of up to 99% and features a horizontal water tube heat exchanger which is constructed entirely of stainless steel. The EPN is a Hydronic Heating Boiler and can be fired with natural gas. Models range from 1000 MBTU to 4.2 million BTU with a turndown ratio of up to 5:1

Standard Features

  • 6 models available with inputs ranging from 1000 to 4200 MBtu/hr.
  • All welded water tube design heat exchanger, 316L headers, 316TI condensing tubes, counter flow, horizontal cylindrical construction
  • Up to 99% Thermal Efficiency
  • Maximum allowable working pressure MAWP of 160 psig
  • Maximum allowable discharge temperature of 210°F
  • Return water temperatures as low as 40°F
  • Suitable for Category II and Category IV installations
  • Single point input adjustment for control of air and gas
  • Low noise level
  • Low gas pressure switch
  • High Gas pressure switch
  • Low water cut off (manual reset)
  • High temperature (Manual reset)
  • Inlet regulator for incoming gas pressures up to 2” PSIG.
  • Forced draft burner
  • Easy access to components for maximum serviceability
  • For operation with natural gas or propane
  • Flame failure alarm contacts
  • 5:1 turndown ratio with a minimum 20% firing rate
  • Suitable for venting with AL29-4C vent material
  • Pure white finish outer jacket
  • Operation through the 4-20mA or 0-10Vdc for set point or fire rate control

Optional Features

  • Local/Remote switch for building management, remote modulation and set-point control
  • Low water cut off (automatic reset)
  • Gateway protocol converter for BACnet, Metasys N2, IP or LonWorks
  • Neutralization kit for condensate water
  • Remote operation for set-point or fire-rate control utilizing 0-10VDC
  • DHW sensor with well
  • Combustion air filter