Hi Delta Hot Water Heaters, 302C-902C

Raypak's family of Hi Delta® water heaters feature up to 85% efficiency, 105ºF minimum inlet water temperature, and a status display and on-board diagnostic center with history in English, not in codes.

Hi Delta Hot Water Heaters, 302C-902C


Full Input in BTUH
Flue Dia.
 WH3-302C  300,000  5"
 WH3-402C  399,000  6"
 WH3-502C  500,000  6"
 WH3-652C  650,000  8"
 WH3-752C  750,000  8"
 WH3-902C  900,000  8"

  • Up to 85% efficiency
  • Multiple vertical venting and sidewall venting options. No extractor required for sidewall applications up to 70ft on room air.
  • All models indoor/outdoor certified
  • Patented burner “security blanket” enhances staged combustion, minimizes installation/start-up issues, and protects burners from metal fatigue.
  • 105ºF minimum inlet water temperature
  • Brass headers with copper finned tube heat exchanger. Glass-lined, cast-iron headers and cupro-nickel tubes available as options. AB 1953 compliant.
  • VERSA IC® control package with LCD display
  • Status display lights
  • Cascade control of up to 4 units, no external sequencer required
  • Diagnostics center with history in English , not in codes
  • Modbus RTU BMS port (RS485)
  • 0-10 VDC BMS Interface (set point or direct drive)
  • Ducted combustion air capable. TruSeal® CSA-Certified direct-vent available.
  • Certified under SCAQMD Rule 1146.2. Meets all Low NOx regulations.
  • Available for natural gas or propane

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