Delta Limited Water Heaters, 399B-899B

The Delta Limited® series has the same basic design as the Hi Delta® product line with a reduced set of features and options to provide rock-solid heating at reduced cost.The Delta Limited® product line is not approved for sale or distribution in California.

Delta Limited Water Heaters, 399B-899B
Full Input in BTUH
Flue Dia.
WH1-399B  399,000 6"
WH3-499B  500,000 6"
WH3-649B  650,000 8"
WH3-749B  750,000 8"
WH3-899B  900,000 8"

Available Firing Modes
WH1 On-off
WH3 2-Stage

  • Up to 85% efficiency
  • All models indoor/outdoor certified
  • Third-party certified under ANSI Z21.10.3
  • 105ºF minimum inlet water temperature
  • Glass-lined, cast iron headers with copper finned tube heat exchanger
  • Bronze headers and cupronickel finned tube available as an option
  • Status display lights
  • Pump-off delay, fixed at 300 seconds
  • T&P gauge
  • Flow switch
  • Manual-reset high limit, 200F max
  • Hot surface ignition with 3-try lockout
  • Outdoor trim
  • 125# PRV
  • Available for natural gas or propane




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