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Hi Delta Hydronic Boiler, 992C-2342C

Hi Delta Hydronic Boiler, 992C-2342C

Raypak's family of Hi Delta Hydronic Boilers, 992C-2342C, feature 84% efficiency, indoor and outdoor certifications, and are available in natural gas and propane variants.


  • All models indoor/outdoor certified.
  • 84% Efficiency.
  • CAT I vertical venting, CAT III sidewall venting. No extractor required for sidewall applications up to 70ft on room air.
  • Patented burner “security blanket” enhances staged combustion, minimizes installation, start-up issues, and protects burners from metal fatigue.
  • 105ºF minimum inlet water temperature.
  • Cast-iron headers with copper finned tube heat exchanger standard. Brass headers and cupro-nickel tubes available as options. AB 1953 compliant.
  • Sidewall venting capable. No extractor needed for most applications.
  • Ducted combustion air ready. TruSeal® CSA-Certified direct-vent available.
  • Status display and on-board diagnostic center, English, no codes.
  • Certified under SCAQMD Rule 1146.2. Meets all Low NOx regulations.
  • Model 2002C available for natural gas only. Other models available for natural gas or propane.
  • Cascade control of up to 8 units, no external sequencer required.
  • Cascade in parallel or sequential modulation modes.
      • 100% Factory fire-tested 
      • Thermal efficiency: 84% 
      • Versa IC® Controller with LCD display 
      • Maximum setpoint: 220°F (104°C) 
      • Maximum outlet temperature: 240°F (116°C) 
      • Minimum non-condensing inlet temperature: 105°F (41°C) 
      • Thermal shock proof heat exchanger 
      • Limited 20-year thermal shock warranty 
      • Limited 5-year heat exchanger warranty 
      • Full safety diagnostics with fault history 
      • Polytuf powder-coated cabinet 
      • No combustible floor shield required 
      • Fan-assisted 
      • Patented burner security blanket 
      • Cascade up to 8 heaters – no external sequencer needed 
      • Cascade in parallel or sequential modulation modes 
      • SCAQMD Rule 1146.2 certified, Low NOx < 20 ppm (992C-2002C) 
      • Proudly assembled in the USA
    Technical specification
    • Unique ref.Hi-Delta-Hydronic-Boiler-992C-2342C
    • Collection setBoilers & Water Heaters
    • CollectionHydronic Boilers
    • TypeObject (single object)
    • Date of publishing2020-10-01
    • Edition number1
    • BIMobject CategoryHVAC - Boilers
    • IFC classificationBoiler
    • UNSPSC nameBoilers
    • UNSPSC code401020
    • Uniclass 2015 CodePr_60_60_08
    • Uniclass 2015 DescriptionBoilers
    • CSI MasterFormat 2014 Code23 52 00
    • CSI MasterFormat 2014 TitleHeating Boilers
    • OmniClass TitleCommercial Boilers
    • OmniClass Number23-33 11 00
    • CSI UniFormat II CodeD3090
    • CSI UniFormat II TitleOther HVAC Systems & Equipment

    Region availability

    North America
    United States