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Error code reference

Bradford White Water Heater Error Code 32

Outgoing water temperature sensor is faulty (open or short circuit).

Bradford White codesBradford White water heater codes

Outgoing water temperature sensor is faulty (open or short circuit).

First step from the service manual

Check sensor wiring for damage. Check resistance on sensor. Check and clean scale from sensor. Replace sensor.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

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What 32 means on a Bradford White water heater

Error code 32 on a Bradford White water heater indicates a fault with the outgoing (outlet) water temperature sensor. This sensor is a thermistor-based component that continuously monitors the temperature of hot water leaving the unit. The control board uses this real-time data to regulate burner operation and maintain the target setpoint. When the board detects a reading that falls outside the expected resistance range, it classifies the sensor as either open circuit (broken wire or failed sensor element reading infinite resistance) or short circuit (sensor element collapsed to near-zero resistance), and triggers error code 32.

The outgoing water temperature sensor is typically mounted at or near the hot water outlet port. Its resistance value changes predictably with temperature, and the control board interprets these resistance shifts to calculate actual water temperature. A healthy sensor will show a specific resistance at a given temperature; a sensor that reads outside this expected range signals a hardware fault rather than a legitimate temperature condition. Scale buildup from hard water is a particularly common culprit, as mineral deposits insulate the sensor tip and distort readings, causing the board to receive inaccurate or erratic resistance values.

Diagnosis should begin with a visual inspection of the sensor wiring harness for pinched, corroded, or burned conductors. After confirming wiring integrity, use a multimeter to measure resistance across the sensor terminals and compare the reading against the expected value for the current ambient or water temperature. If scale is visible on the sensor body, carefully clean the tip before retesting. A sensor that fails the resistance check after cleaning should be replaced to restore normal operation.

Source: manufacturer service documentation.

Common causes of 32

  1. 01

    Scale buildup on the sensor

    Wiring / connection

    Mineral deposits from hard water accumulate on the sensor tip over time, insulating it and causing distorted or erratic resistance readings. Inspect the sensor surface for a white or chalky coating and clean it carefully before retesting.

  2. 02

    Failed or degraded sensor element

    Part replacement

    The thermistor element inside the sensor can fail due to age or heat stress, resulting in an open or short circuit condition. A multimeter resistance reading that is infinite or near zero at room temperature confirms a failed sensor.

  3. 03

    Damaged sensor wiring or connector

    Wiring / connection

    Wires running to the outgoing temperature sensor can become pinched, corroded, or burned, breaking the circuit or creating a short. Trace the harness from the control board to the sensor and look for visible damage or loose connector pins.

  4. 04

    Corroded or loose wiring connector

    Wiring / connection

    The connector joining the sensor harness to the control board can develop corrosion or a loose fit, creating intermittent or absent electrical contact. Disconnect, inspect, and reseat the connector to rule this out before replacing the sensor.

  5. 05

    Faulty control board

    Part replacement

    If the sensor and all wiring check out correctly but the error persists, the control board itself may be misinterpreting the sensor signal due to an internal fault. This is the least common cause and should only be considered after the sensor and wiring have been confirmed good.

See the test procedure for each cause

Frequently asked questions about 32

What does 32 mean on a Bradford White water_heater?
Error code 32 means the control board has detected a fault with the outgoing water temperature sensor, specifically an open or short circuit condition. The sensor is responsible for monitoring the temperature of hot water leaving the unit, and when its resistance reading falls outside the expected range, the heater shuts down and logs this code. The fault can stem from a failed sensor, scale buildup on the sensor tip, or damaged wiring.
Can I fix error code 32 myself?
Some causes of error code 32 are DIY-friendly, such as inspecting and cleaning scale from the sensor or reseating a loose wiring connector. Checking sensor resistance with a multimeter is also within reach for a knowledgeable homeowner or technician. However, if the sensor itself needs replacement or the wiring harness is damaged, comfort with basic appliance repair work and proper safety precautions are essential before proceeding.
Is it safe to use my water heater when error code 32 is displayed?
When error code 32 is active, the Bradford White water heater will typically suspend normal operation to prevent running without accurate temperature feedback, which means hot water may not be available. You should not attempt to bypass the fault or force the unit to run, as operating without a functioning outlet temperature sensor could result in overheating or scalding-temperature water. Address the fault before returning the unit to regular service.
How much does it cost to fix error code 32 on a Bradford White water heater?
If only cleaning is needed, the cost can be minimal, just your time and basic supplies. A replacement outgoing water temperature sensor typically runs in the range of $20 to $80 depending on the specific model. If professional labor is required for diagnosis and repair, total costs including parts and service generally fall in the range of $100 to $300.
Will resetting the water heater clear error code 32?
A reset may temporarily clear the error code display, but if the underlying sensor fault is still present, the code will return once the control board runs its diagnostic cycle again. Resetting without repairing the root cause is not a long-term solution. The sensor wiring, sensor cleanliness, and sensor resistance should all be checked and corrected before relying on a reset to restore normal operation.

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