Description 

The Honeywell WV8840B1158 is a gas control valve designed for use in gas-powered water heaters, particularly those with a 2-inch cavity. It offers precise temperature regulation and safety features to ensure reliable operation.

 

 

Technical Specifications 

Condition	New/Never Used Surplus
Brand	Honeywell
Category	Valves
Part Number	WV8840B1158
Subcategory	Gas Valve
Fuel Type	Natural Gas
Inlet/Outlet Size	1/2" NPT
Cavity Size	4 inch
Temperature Range	32°F to 150°F (0°C to 66°C)
BTU Capacity	Up to 130,000 BTU/hr
Power Source	Thermopile (standing pilot)
Safety Feature	Temperature Cut-Out (TCO)
Weight	1.98 lbs

  

 

Information About WV8840B1158

The Honeywell WV8840B1158 is a gas control valve specifically designed for natural gas-powered water heaters, particularly models with a 2-inch cavity. This valve provides precise temperature control using an integrated thermistor and includes critical safety features such as a temperature cut-out (TCO). Powered by a thermopile system, it does not require external electricity, making it highly reliable for residential and light commercial water heating applications. The durable construction and compatibility with multiple heater models make it a trusted choice for service and replacement needs.

Key Features:

• Natural Gas Operation: Optimized for use with natural gas water heaters for dependable fuel compatibility.
• Thermopile-Powered: Generates its own power from the standing pilot flame, eliminating the need for external power sources.
• Accurate Temperature Control: Features an NTC thermistor for precise monitoring and regulation of water temperature.
• Temperature Cut-Out Protection: Integrated TCO function helps prevent overheating by shutting off gas flow if necessary.
• 1/2" NPT Inlet/Outlet: Standard threaded connections ensure easy and secure installation.
• High BTU Capacity: Supports up to 130,000 BTU/hr, suitable for a range of water heater sizes.
• Compact Design: Fits into 2" cavity water heaters, providing broad compatibility across units.
• Rugged Construction: Built for durability under continuous use in domestic hot water systems.

The WV8840B1158 delivers efficient, safe, and maintenance-friendly performance for water heater gas control, making it a reliable component in modern residential heating systems.