Error code reference

Bradford White Water Heater Error Code 7-1 flash

Flammable vapor sensor or simulated resistive device resistance above 70,000 ohms (out of specification high). Verify resistive delay repeats 5 times then locks out.

SourceBradford White UPV Series - Service Manual: Gas Water Heatersp. 11, 15

Diagnostic procedure

The full 7-1 flash 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
Test flammable vapor sensor resistance (must be 3,000-48,000 ohms). See page 28.

SourceBradford White UPV Series - Service Manual: Gas Water Heatersp. 11, 15

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

1 manual in the MyPros+ library documents this code for Bradford White water heater.

Models covered by the manuals that document this code

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