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Error code reference
Bradford White Water Heater Error Code 33
Heat exchanger outgoing temperature sensor is faulty.
SourceBradford White EverHot Exterior Tankless Gas Water Heater - Service Manual (IGE-199 Series)p. 24
Diagnostic procedure
The full 33 procedure
Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.
MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Check sensor wiring for damage. Check resistance on sensor. Check and clean scale from sensor. Replace sensor.
SourceBradford White EverHot Exterior Tankless Gas Water Heater - Service Manual (IGE-199 Series)p. 24
More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
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Where this code is documented
2 manuals in the MyPros+ library document this code for Bradford White water heater.
Models covered by the manuals that document this code
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