Bradford White 239-46990-02 Gas Valve

The Bradford White 239-46990-02 Gas Valve is a direct replacement natural gas water heater control designed for specific atmospheric vent models. Featuring a 4" WC manifold pressure setting and a standard 1/2" NPT inlet, this Robertshaw thermopile gas valve ensures precise fuel regulation and safety for residential applications. As an OEM Bradford White replacement part, it integrates the thermostat and safety shut-off mechanism into a single assembly, streamlining repairs for technicians. This water heater gas control valve utilizes a thermopile-driven system, eliminating the need for external power while maintaining consistent pilot operation. When troubleshooting a water heater not heating or a status light blinking error code, replacing the 239-46990-02 control valve often restores reliable burner ignition and temperature regulation. For contractors, this valve provides the exact fitment required to maintain the manufacturer's original performance specifications and ANSI Z21.78 compliant safety standards.

Key Benefits

• Direct OEM Fitment: Designed specifically for Bradford White Defender Safety System models to ensure seamless installation.
• Integrated High-Limit Switch: Features a built-in ECO (Energy Cut-Off) to prevent overheating conditions.
• Thermopile Powered: Operates on millivolt signals, ensuring the gas water heater works during power outages.
• Precise Calibration: Factory-set at 4.0 inches Water Column for optimal combustion efficiency.
• Diagnostic LED: Includes a status indicator light to help technicians quickly identify flash codes and system faults.

Common Questions

How do I troubleshoot the LED flash codes on this gas valve?
The diagnostic light on the Bradford White 239-46990-02 provides specific sequences to identify issues such as thermopile voltage drops, high-temperature limits, or sensor failures.

Is the 239-46990-02 compatible with Propane (LP) units?
No, this valve is calibrated specifically for Natural Gas at a 4" WC manifold pressure. Using this on an LP system will cause hazardous operating conditions.

What is the shank length for this specific water heater valve?
This model features the standard 4-inch shank typical of residential Bradford White atmospheric vent tanks, ensuring the sensor sits correctly within the tank's waterway.

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.