
Bradford White 239-50066-00 Sensor Harness
The Bradford White 239-50066-00 Sensor Harness is a specialized OEM component engineered for high-performance gas water heaters utilizing the Defender Safety System. This FV Sensor Harness serves as the critical communication link between the Flammable Vapor (FV) sensor and the Honeywell integrated gas control valve. In the field, technicians rely on this harness to maintain FVIR (Flammable Vapor Ignition Resistance) compliance by ensuring the control module receives precise resistance data to detect combustible vapors. Constructed with high-grade lead wires and secure connector terminals, it is designed to withstand the thermal demands of the burner chamber perimeter. This harness is an essential water heater repair part for resolving 7-flash error codes or soft lockout conditions caused by continuity breaks in the safety circuit. By maintaining a reliable electrical path, it ensures the unit can successfully execute its ignition sequence while protecting the facility from potential external vapor ignition.
Key Benefits:
- OEM Precision: Guaranteed compatibility with Bradford White gas water heaters, eliminating the risks associated with universal or aftermarket wiring.
- Safety System Integrity: Maintains the Flammable Vapor Ignition Resistance (FVIR) standards required for residential and commercial installations.
- Signal Reliability: Provides consistent resistance feedback to the Honeywell gas control valve, preventing nuisance shutdowns and intermittent fault codes.
- Rugged Construction: Built with durable insulation and heat-resistant connectors to handle the harsh environment near the unit's base and jacket door.
Common Questions:
How do I know if the sensor harness is the cause of a 7-flash error code?
Technicians should check for continuity across the harness. If the FV sensor tests within the correct ohm range specified in the service manual but the control module still triggers a lockout, the harness may have a high-resistance bridge or a loose terminal pin.
Is this harness compatible with all Bradford White models?
No, this replacement wiring harness is specifically designed for models with the Defender Safety System and certain atmospheric or power vent configurations. Always verify your specific model and serial number against the parts list before installation.
Does this part include the actual Flammable Vapor sensor?
This is the sensor harness only. It provides the wiring and connectors used to link the sensor to the gas control; the sensor itself must be sourced separately if it has been exposed to vapors or failed testing.
This item is not eligible for free shipping.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Original: $11.07
-65%$11.07
$3.87Bradford White 239-50066-00 Sensor Harness
The Bradford White 239-50066-00 Sensor Harness is a specialized OEM component engineered for high-performance gas water heaters utilizing the Defender Safety System. This FV Sensor Harness serves as the critical communication link between the Flammable Vapor (FV) sensor and the Honeywell integrated gas control valve. In the field, technicians rely on this harness to maintain FVIR (Flammable Vapor Ignition Resistance) compliance by ensuring the control module receives precise resistance data to detect combustible vapors. Constructed with high-grade lead wires and secure connector terminals, it is designed to withstand the thermal demands of the burner chamber perimeter. This harness is an essential water heater repair part for resolving 7-flash error codes or soft lockout conditions caused by continuity breaks in the safety circuit. By maintaining a reliable electrical path, it ensures the unit can successfully execute its ignition sequence while protecting the facility from potential external vapor ignition.
Key Benefits:
- OEM Precision: Guaranteed compatibility with Bradford White gas water heaters, eliminating the risks associated with universal or aftermarket wiring.
- Safety System Integrity: Maintains the Flammable Vapor Ignition Resistance (FVIR) standards required for residential and commercial installations.
- Signal Reliability: Provides consistent resistance feedback to the Honeywell gas control valve, preventing nuisance shutdowns and intermittent fault codes.
- Rugged Construction: Built with durable insulation and heat-resistant connectors to handle the harsh environment near the unit's base and jacket door.
Common Questions:
How do I know if the sensor harness is the cause of a 7-flash error code?
Technicians should check for continuity across the harness. If the FV sensor tests within the correct ohm range specified in the service manual but the control module still triggers a lockout, the harness may have a high-resistance bridge or a loose terminal pin.
Is this harness compatible with all Bradford White models?
No, this replacement wiring harness is specifically designed for models with the Defender Safety System and certain atmospheric or power vent configurations. Always verify your specific model and serial number against the parts list before installation.
Does this part include the actual Flammable Vapor sensor?
This is the sensor harness only. It provides the wiring and connectors used to link the sensor to the gas control; the sensor itself must be sourced separately if it has been exposed to vapors or failed testing.
This item is not eligible for free shipping.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
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Product Information
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Description
The Bradford White 239-50066-00 Sensor Harness is a specialized OEM component engineered for high-performance gas water heaters utilizing the Defender Safety System. This FV Sensor Harness serves as the critical communication link between the Flammable Vapor (FV) sensor and the Honeywell integrated gas control valve. In the field, technicians rely on this harness to maintain FVIR (Flammable Vapor Ignition Resistance) compliance by ensuring the control module receives precise resistance data to detect combustible vapors. Constructed with high-grade lead wires and secure connector terminals, it is designed to withstand the thermal demands of the burner chamber perimeter. This harness is an essential water heater repair part for resolving 7-flash error codes or soft lockout conditions caused by continuity breaks in the safety circuit. By maintaining a reliable electrical path, it ensures the unit can successfully execute its ignition sequence while protecting the facility from potential external vapor ignition.
Key Benefits:
- OEM Precision: Guaranteed compatibility with Bradford White gas water heaters, eliminating the risks associated with universal or aftermarket wiring.
- Safety System Integrity: Maintains the Flammable Vapor Ignition Resistance (FVIR) standards required for residential and commercial installations.
- Signal Reliability: Provides consistent resistance feedback to the Honeywell gas control valve, preventing nuisance shutdowns and intermittent fault codes.
- Rugged Construction: Built with durable insulation and heat-resistant connectors to handle the harsh environment near the unit's base and jacket door.
Common Questions:
How do I know if the sensor harness is the cause of a 7-flash error code?
Technicians should check for continuity across the harness. If the FV sensor tests within the correct ohm range specified in the service manual but the control module still triggers a lockout, the harness may have a high-resistance bridge or a loose terminal pin.
Is this harness compatible with all Bradford White models?
No, this replacement wiring harness is specifically designed for models with the Defender Safety System and certain atmospheric or power vent configurations. Always verify your specific model and serial number against the parts list before installation.
Does this part include the actual Flammable Vapor sensor?
This is the sensor harness only. It provides the wiring and connectors used to link the sensor to the gas control; the sensor itself must be sourced separately if it has been exposed to vapors or failed testing.
This item is not eligible for free shipping.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.












