Resideo WT8840C1500 Gas Valve
HomeStore

Resideo WT8840C1500 Gas Valve

Resideo WT8840C1500 Gas Valve

The Resideo WT8840C1500 is an integrated gas control valve engineered for residential tank-type gas water heaters utilizing an atmospheric vent system. This service and replacement part consolidates temperature regulation, pilot management, and safety shutoff protocols into a single high-reliability unit. Designed for natural gas systems, the valve is calibrated for 4" water column (WC) manifold pressure, ensuring stable burner operation and precise water heater temperature control. It functions by sensing water temperature demand through an internal thermostat and managing thermopile-powered ignition circuits, making it a critical component for maintaining safe thermal cycles. This control is specifically compatible with a range of major brands, including A.O. Smith, State, and Kenmore, where atmospheric vent water heater parts are required. The compact design simplifies field installation for technicians, providing a direct-fit replacement that restores factory-standard performance to the water heating system without requiring external power sources.

Key Benefits:

  • Integrated Gas Control: Consolidates ignition, thermostat, and safety shutoff functions for efficient service.
  • Natural Gas Compatibility: Factory-set for 4" WC manifold pressure to ensure proper combustion.
  • Thermopile Powered: Operates using millivolt power generated by the pilot flame, requiring no external electricity.
  • Wide OEM Compatibility: Serves as a standard replacement for numerous residential tank-style models.
  • Precise Regulation: Maintains consistent water temperatures through responsive internal sensing.

Common Questions:

How do you troubleshoot a Resideo water heater gas valve pilot that won't stay lit?
Ensure the thermopile is generating at least 350mV and that the thermal switch or high-limit circuit is closed. If the millivolt signal is strong but the WT8840C1500 fails to hold the pilot, the internal solenoid may be defective.

Can the WT8840C1500 be used for LP gas conversions?
No, this specific model is designed and calibrated strictly for natural gas at 4" WC. Using it with propane without a certified conversion kit (if applicable) or a dedicated LP valve is a safety violation.

What are the symptoms of a failing water heater gas control valve?
Common indicators include inconsistent water temperatures, a pilot light that frequently extinguishes, or the main burner failing to ignite despite a verified 750mV or 350mV signal from the pilot assembly.

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.

$67.23

Original: $192.08

-65%
Resideo WT8840C1500 Gas Valve

$192.08

$67.23

Resideo WT8840C1500 Gas Valve

The Resideo WT8840C1500 is an integrated gas control valve engineered for residential tank-type gas water heaters utilizing an atmospheric vent system. This service and replacement part consolidates temperature regulation, pilot management, and safety shutoff protocols into a single high-reliability unit. Designed for natural gas systems, the valve is calibrated for 4" water column (WC) manifold pressure, ensuring stable burner operation and precise water heater temperature control. It functions by sensing water temperature demand through an internal thermostat and managing thermopile-powered ignition circuits, making it a critical component for maintaining safe thermal cycles. This control is specifically compatible with a range of major brands, including A.O. Smith, State, and Kenmore, where atmospheric vent water heater parts are required. The compact design simplifies field installation for technicians, providing a direct-fit replacement that restores factory-standard performance to the water heating system without requiring external power sources.

Key Benefits:

  • Integrated Gas Control: Consolidates ignition, thermostat, and safety shutoff functions for efficient service.
  • Natural Gas Compatibility: Factory-set for 4" WC manifold pressure to ensure proper combustion.
  • Thermopile Powered: Operates using millivolt power generated by the pilot flame, requiring no external electricity.
  • Wide OEM Compatibility: Serves as a standard replacement for numerous residential tank-style models.
  • Precise Regulation: Maintains consistent water temperatures through responsive internal sensing.

Common Questions:

How do you troubleshoot a Resideo water heater gas valve pilot that won't stay lit?
Ensure the thermopile is generating at least 350mV and that the thermal switch or high-limit circuit is closed. If the millivolt signal is strong but the WT8840C1500 fails to hold the pilot, the internal solenoid may be defective.

Can the WT8840C1500 be used for LP gas conversions?
No, this specific model is designed and calibrated strictly for natural gas at 4" WC. Using it with propane without a certified conversion kit (if applicable) or a dedicated LP valve is a safety violation.

What are the symptoms of a failing water heater gas control valve?
Common indicators include inconsistent water temperatures, a pilot light that frequently extinguishes, or the main burner failing to ignite despite a verified 750mV or 350mV signal from the pilot assembly.

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.

Product Information

Shipping & Returns

Description

The Resideo WT8840C1500 is an integrated gas control valve engineered for residential tank-type gas water heaters utilizing an atmospheric vent system. This service and replacement part consolidates temperature regulation, pilot management, and safety shutoff protocols into a single high-reliability unit. Designed for natural gas systems, the valve is calibrated for 4" water column (WC) manifold pressure, ensuring stable burner operation and precise water heater temperature control. It functions by sensing water temperature demand through an internal thermostat and managing thermopile-powered ignition circuits, making it a critical component for maintaining safe thermal cycles. This control is specifically compatible with a range of major brands, including A.O. Smith, State, and Kenmore, where atmospheric vent water heater parts are required. The compact design simplifies field installation for technicians, providing a direct-fit replacement that restores factory-standard performance to the water heating system without requiring external power sources.

Key Benefits:

  • Integrated Gas Control: Consolidates ignition, thermostat, and safety shutoff functions for efficient service.
  • Natural Gas Compatibility: Factory-set for 4" WC manifold pressure to ensure proper combustion.
  • Thermopile Powered: Operates using millivolt power generated by the pilot flame, requiring no external electricity.
  • Wide OEM Compatibility: Serves as a standard replacement for numerous residential tank-style models.
  • Precise Regulation: Maintains consistent water temperatures through responsive internal sensing.

Common Questions:

How do you troubleshoot a Resideo water heater gas valve pilot that won't stay lit?
Ensure the thermopile is generating at least 350mV and that the thermal switch or high-limit circuit is closed. If the millivolt signal is strong but the WT8840C1500 fails to hold the pilot, the internal solenoid may be defective.

Can the WT8840C1500 be used for LP gas conversions?
No, this specific model is designed and calibrated strictly for natural gas at 4" WC. Using it with propane without a certified conversion kit (if applicable) or a dedicated LP valve is a safety violation.

What are the symptoms of a failing water heater gas control valve?
Common indicators include inconsistent water temperatures, a pilot light that frequently extinguishes, or the main burner failing to ignite despite a verified 750mV or 350mV signal from the pilot assembly.

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.

Resideo WT8840C1500 Gas Valve | GSIstore