Shop furnace gas valves, HVAC gas control valves, gas regulators, and replacement gas valves for compatible furnaces, boilers, heaters, and HVAC heating systems. Choose from natural gas, propane, LP, and system-specific valve options from trusted HVAC part manufacturers. Before ordering, match the OEM part number, equipment model number, fuel type, voltage, stage type, pressure rating, and inlet/outlet configuration to help confirm the correct replacement.
Furnace Gas Valves for HVAC Heating Systems
Furnace gas valves control the flow of fuel to the burners during the heating cycle. When the furnace control system calls for heat and the ignition sequence is ready, the gas valve opens to allow natural gas or propane to reach the burner assembly. When the heating cycle ends, the valve closes to stop fuel flow.
Furnace Part Source carries furnace gas valves, HVAC gas control valves, gas regulators, and replacement gas valve assemblies for compatible heating systems. Because gas valves are equipment-specific, always match the OEM part number, furnace model number, fuel type, voltage, pressure rating, and inlet/outlet configuration before ordering.
For safety, furnace gas valve diagnosis and installation should be handled by a qualified HVAC professional. Symptoms that appear to involve a gas valve can also be related to the igniter, flame sensor, pressure switch, control board, transformer, or another part in the furnace safety sequence.
How a Furnace Gas Valve Works
A furnace gas valve is part of the fuel-control sequence in a gas heating system. When the thermostat calls for heat, the furnace control system starts the ignition process. Once the safety controls confirm the system is ready, the gas valve opens so fuel can flow to the burners. After the heating cycle ends, the valve closes to stop gas flow.
Many furnace gas valves work with other parts in the ignition and safety circuit, including the control board, igniter, flame sensor, pressure switch, transformer, and burner assembly. Because these parts work together, a furnace that will not ignite does not always have a bad gas valve. The full system should be checked before ordering a replacement valve.
Gas valve design can vary by furnace model, fuel type, voltage, stage type, and pressure rating. Some systems use natural gas valves, while others require propane or LP-compatible gas valves. Always match the replacement valve to the equipment documentation and the existing part label before purchase.
When to Replace a Furnace Gas Valve
A furnace gas valve may need to be replaced if it is no longer opening, closing, regulating fuel flow, or responding correctly during the heating cycle. Common warning signs can include burner ignition problems, inconsistent heat, repeated furnace lockouts, delayed ignition, or a valve that does not open when the furnace control system calls for heat.
These symptoms do not always mean the gas valve is the failed part. Igniters, flame sensors, pressure switches, rollout switches, control boards, transformers, wiring, and gas pressure issues can create similar no-heat or ignition problems. A qualified HVAC technician should test the system and confirm the diagnosis before a replacement gas valve is ordered or installed.
If the gas valve is confirmed to be faulty, match the replacement valve to the OEM part number, equipment model number, fuel type, voltage, pressure rating, stage type, and inlet/outlet configuration. Furnace gas valves are not automatically interchangeable, even when they look similar.
How to Choose the Right Replacement Gas Valve
Choosing the right furnace gas valve starts with matching the original part. Gas valves are built around specific equipment requirements, including fuel type, control voltage, pressure rating, burner configuration, and inlet/outlet size. A valve that looks similar may not be safe or compatible with the furnace, boiler, heater, or HVAC system.
Start by checking the OEM part number on the existing gas valve, furnace data plate, service manual, or parts diagram. Then confirm the equipment model number, fuel type, voltage, stage type, pressure rating, BTU rating, and pipe connection size before ordering a replacement.
Match the OEM Part Number
Use the OEM part number as the primary fitment reference. If the original valve has been replaced before, compare the part number against the equipment documentation rather than relying only on the current installed part.
Confirm Natural Gas or Propane Compatibility
Natural gas, propane, and LP gas valves are not automatically interchangeable. Some valves are built for one fuel type, while others may require a verified conversion kit or specific manufacturer approval. Always confirm the valve matches the fuel type listed for your equipment.
Check Voltage, Stage Type, and Pressure Ratings
Review the control voltage, valve stage type, inlet pressure, outlet pressure, and regulator specifications before ordering. Single-stage, two-stage, and modulating gas valves can have different control requirements. The replacement valve must match the system’s electrical and fuel-control specifications.
Furnace Gas Valve Price and Replacement Cost Factors
The price of a furnace gas valve can vary based on the brand, OEM part number, fuel type, valve design, voltage, pressure rating, stage type, and availability. A standard replacement gas valve may cost less than a specialized two-stage, modulating, propane-compatible, or equipment-specific gas control valve.
When comparing furnace gas valve prices, make sure the part matches the equipment requirements rather than choosing by price alone. A lower-cost valve that does not match the furnace model, fuel type, pressure rating, inlet/outlet size, or control voltage may not be safe or compatible with the system.
This page lists product pricing for available furnace gas valves and HVAC gas control valves. Service labor, diagnosis, installation, testing, and local code requirements are separate from the part price and should be reviewed with a qualified HVAC professional.
Natural Gas, Propane, Boiler, and Heater Gas Valve Options
Furnace gas valves must match the fuel type and heating equipment they are designed to control. Some valves are made for natural gas systems, while others are made for propane or LP applications. A natural gas furnace gas valve should not be used on a propane system unless the equipment documentation and valve specifications confirm that the part is approved for that use.
This category may also include gas valves and gas control parts for boilers, heaters, unit heaters, and other HVAC heating equipment. These applications can require different pressure ratings, control voltages, pilot systems, burner configurations, and inlet/outlet sizes.
Before ordering, confirm the equipment type, fuel type, OEM part number, model number, and valve label information. If you are replacing a boiler gas valve, heater gas valve, propane furnace valve, or gas regulator valve, make sure the replacement part matches the original equipment requirements.
Related Furnace Gas Valve Parts to Check
When replacing a furnace gas valve, it is important to check the other parts that work with the furnace ignition and safety sequence. A no-heat issue, ignition failure, or burner problem may involve the gas valve, but it can also be related to the igniter, flame sensor, pressure switch, transformer, control board, wiring, or gas regulator.
Before ordering a replacement gas valve, confirm that the valve has been properly diagnosed and that the surrounding furnace parts are working as expected. A weak igniter, dirty flame sensor, failed control board, or pressure switch issue can create symptoms that look similar to a faulty gas valve.
Related parts to review may include furnace igniters, flame sensors, pressure switches, transformers, control boards, gas regulators, burner assemblies, and other Furnace & HVAC replacement parts. If the existing gas valve is part of a larger gas valve assembly, compare the full assembly details before ordering.
Furnace Gas Valve FAQs
What does a furnace gas valve do?
A furnace gas valve controls the flow of natural gas or propane to the burner assembly during the heating cycle. When the furnace control system calls for heat and the safety sequence is satisfied, the gas valve opens. When the cycle ends, the valve closes to stop fuel flow.
How do I know which furnace gas valve to buy?
Start with the OEM part number on the existing valve, furnace data plate, service manual, or parts diagram. Then confirm the equipment model number, fuel type, voltage, stage type, pressure rating, and inlet/outlet size before ordering a replacement gas valve.
Are furnace gas valves universal?
Most furnace gas valves are not universal. Even if two valves look similar, they may have different fuel ratings, pressure settings, voltage requirements, stage types, or connection sizes. Always match the replacement valve to the equipment documentation and original part number.
Can I use a natural gas valve on a propane furnace?
Do not assume a natural gas valve can be used on a propane or LP furnace. The fuel type must match the furnace specifications and valve rating. Some systems may require a manufacturer-approved conversion kit, but compatibility should be confirmed before purchase or installation.
What affects the price of a furnace gas valve?
Furnace gas valve price can vary by brand, OEM part number, fuel type, voltage, stage type, pressure rating, valve configuration, and availability. Specialized valves, two-stage valves, modulating valves, and equipment-specific gas control valves may cost more than standard replacement valves.
What is the difference between a gas valve and a gas regulator?
A furnace gas valve controls when fuel flows to the burner assembly. A gas regulator helps manage gas pressure. Some gas valve assemblies include pressure regulation, while other systems may use separate regulator components. Match the replacement part to the exact equipment requirements.
Can I replace a furnace gas valve myself?
Furnace gas valve replacement should be handled by a qualified HVAC professional. Gas valve work involves fuel control, combustion safety, leak testing, electrical controls, and local code requirements. This page is meant to help you find the correct part, not provide installation instructions.
What should I check before ordering a replacement furnace gas valve?
Check the OEM part number, furnace model number, serial number, fuel type, voltage, stage type, pressure rating, BTU rating, and inlet/outlet size. You should also confirm whether the valve is part of a larger gas valve assembly before placing your order.
Need Help Finding the Right Furnace Gas Valve?
Choosing the correct furnace gas valve depends on more than the part name. Before ordering, gather the OEM part number, equipment model number, serial number, fuel type, voltage, pressure rating, stage type, and inlet/outlet size from the existing valve or equipment label.
If the original gas valve is discontinued, hard to identify, or part of a larger gas valve assembly, Furnace Part Source can help you look for a compatible replacement. Use the product label, furnace documentation, or service parts list to confirm the valve details before purchase.
For safety, gas valve diagnosis, installation, leak testing, and system startup should be handled by a qualified HVAC professional. If you are unsure which replacement gas valve fits your furnace, boiler, heater, or HVAC system, contact Furnace Part Source with the part number and equipment information before placing your order.
MSRP: $350.74Now: $271.03
