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Bradford White UPDX series - User Manual

Bradford White UPDX series
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Manual 238-49399-00A
SERVICE
MANUAL
Troubleshooting Guide
and Instructions for Service
(To be performed ONLY by
qualified service providers)
Models Covered
by This Manual:
UPDX250T*FRN
UPDX265T*FRN
UPDX275T*FRN
UPDX50S50FR*N
UPDX65S55FR*N
UPDX75S55FR*N
(*) Denotes Warranty Years
Ultra Low NOx Power Direct Vent
Gas Water Heaters
UPDX Series

Questions and Answers

  • W
    williamsamyAug 16, 2025
    How to turn on the power for Bradford White UPDX Water Heater?
    • B
      Billy RayAug 16, 2025
      If the control LED on your Bradford White Water Heater isn't on or flashing, and there's no light at all, the issue might be simple. First, check if the control power switch is in the “OFF” position and turn the power on. Also, verify that the water heater is receiving power from the supply voltage.
  • A
    Andre TuckerAug 19, 2025
    What to do if my Bradford White UPDX Water Heater flashes seven times?
    • A
      anitamartinezSep 12, 2025
      WARNING: EXPLOSION HAZARD * Indicates gasoline vapors were detected at potentially explosive levels. * Verify no gasoline vapors are still present * Reset the control by cycling power to the appliance or by cycling the ON/OFF switch. * Replace the Flammable Vapor Sensor element if a gasoline spill event occurred.
  • E
    ejonesAug 21, 2025
    Why does my Bradford White UPDX have a three flash error?
    • G
      Gregory HernandezAug 21, 2025
      If your Bradford White Water Heater is showing a 'three flash, three second pause' error, it could be due to several reasons: * A blockage or improper configuration in the vent. * Kinked or blocked pressure switch tubing. * A faulty pressure switch. * The blower not spinning up to the correct speed. * Blower or exhaust temperature being too high. * A faulty blower temperature switch. * The intake vent being longer than the exhaust vent. * A frozen intake or exhaust vent terminal.
  • J
    James HowellAug 25, 2025
    What does four flashes mean on my Bradford White Water Heater?
    • M
      Mary WhitakerAug 26, 2025
      If your Bradford White Water Heater is showing a 'four flash, three second pause' error, it could be due to: * A thermal well sensor that is out of calibration. * A faulty gas control. * A plumbing leak.
  • D
    Dennis StokesAug 27, 2025
    What does six-two flashes mean on my Bradford White UPDX?
    • E
      ebonyvaughanAug 28, 2025
      If your Bradford White Water Heater is showing a 'six-two flash, three second pause' error, it could be due to: * A blockage or improper configuration in the vent. * Kinked or blocked pressure switch tubing. * A faulty pressure switch. * The vent termination being affected by wind * The blower not spinning up to the correct speed. * Blower or exhaust temperature being too high. * A faulty blower temperature switch. * Insufficient combustion air.
  • V
    Victor HouseAug 31, 2025
    What does five flashes mean on a Bradford White Water Heater?
    • M
      Mrs. Tiffany PaceAug 31, 2025
      If your Bradford White Water Heater is showing a 'five flash, three second pause' error, it indicates that the pilot valve is stuck in the open position.
  • M
    Mr. Alejandro AndersonSep 3, 2025
    What does eight-two flashes mean on my Bradford White UPDX Water Heater?
    • A
      Ashley WillisSep 3, 2025
      If your Bradford White Water Heater is showing an 'eight-two flash, three second pause' error, it could indicate damage to the temperature sensor or that the thermal well sensor resistance is out of range.
  • M
    Michael MartinSep 5, 2025
    What does six-four flashes mean on a Bradford White UPDX Water Heater?
    • J
      Jordan TranSep 5, 2025
      If your Bradford White Water Heater is showing a 'six-four flash, three second pause' error, it indicates that the pilot valve is stuck in the open position.
  • J
    jeremybarrSep 9, 2025
    What does eight-three flashes mean on my Bradford White UPDX?
    • S
      susangarzaSep 9, 2025
      If your Bradford White Water Heater is showing an 'eight-three flash, three second pause' error, it could be due to the control needing to be reset, or the control being wet or physically damaged. In the first case, interrupt power supply.
  • C
    Cindy BishopSep 12, 2025
    What does eight-four flashes mean on my Bradford White UPDX?
    • W
      Wendy BlackwellSep 12, 2025
      If your Bradford White Water Heater is showing an 'eight-four flash, three second pause' error, it could be due to the control needing to be reset, or the control being wet or physically damaged. In the first case, interrupt power supply.

Summary

Safety and Precautions

General Safety Guidelines

Covers handling flammable materials, gas leaks, and general warnings for safe operation.

Important Pre-installation Checks

Emphasizes inspecting the water heater for damage before installation to ensure safety.

Tools Required for Service

Specifications

Control Timings

Sequence of Operation

Abnormal Operation

Flammable Vapor Sensor Faults

Describes error conditions related to the flammable vapor sensor's resistance.

Temperature Sensor Faults

Details error conditions related to temperature sensor readings or faults.

Abnormal Operation (Continued)

Pressure Switch and Blower Temperature Switch Faults

Covers faults related to pressure and blower temperature switches.

Ignition and Flame Sensing Faults

Addresses issues with pilot ignition trials and flame sensing.

Troubleshooting

Troubleshooting for Models J or Earlier

Lists LED status, error codes, probable causes, and solutions for models with serial numbers starting with J or earlier.

Troubleshooting for Models K or Later

Lists LED status, error codes, probable causes, and solutions for models with serial numbers starting with K or later.

Service Procedures

Bradford White UPDX series Specifications

General IconGeneral
CategoryWater Heater
ManufacturerBradford White
SeriesUPDX
TypePower Vent
Fuel TypeNatural Gas or Propane
Energy Factor0.67-0.70
DimensionsVaries by model
WeightVaries by model
Recovery RateVaries by model
Tank Capacity40, 50, 75 gallons
Warranty6 years limited warranty
Venting2"

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