Furnace Gas Valves

Furnace Gas Valves

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Robertshaw 700-506 Gas Valve 3/4"Millivolt 3.5"WC

Robertshaw

MSRP: $210.69

Now: $162.80

Robertshaw 700-506 Gas Valve 3/4"Millivolt 3.5"WC FurnacePartSource.com Commitment Always Brand-New Genuine Parts In stock parts ship Same Business Day when ordered by 5PM ET No Minimum Order Requirements unless noted above

MSRP: $210.69

Now: $162.80

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Modine 5H0731000002 Gas Valve 24v 3.5" wc 1/2"x3/4"

Modine

MSRP: $783.30

Now: $605.28

Modine 5H0731000002 Gas Valve 24v 3.5" wc 1/2"x3/4" FurnacePartSource.com Commitment Always Brand-New Genuine Parts In stock parts ship Same Business Day when ordered by 5PM ET No Minimum Order Requirements unless noted above

MSRP: $783.30

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Maxitrol M520H-1/2 Modulating Gas Valve for Atmospheric Burners

Maxitrol

MSRP: $366.86

Now: $277.93

Maxitrol M520H-1/2 Modulating Gas Valve for Atmospheric Burners 1/2" NPT 1/2 PSI Inlet Pressure Max for LP Gas Applications Order in multiples of: 25 FurnacePartSource.com Commitment Always Brand-New Genuine Parts In stock parts ship Same...

MSRP: $366.86

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Lochinvar & A.O. Smith 100112336 Natural Gas Valve 1/2" 5"WC

Lochinvar & A.O. Smith

MSRP: $323.15

Now: $249.71

Lochinvar & A.O. Smith 100112336 Natural Gas Valve 1/2" 5"WC FurnacePartSource.com Commitment Always Brand-New Genuine Parts In stock parts ship Same Business Day when ordered by 5PM ET No Minimum Order Requirements unless noted...

MSRP: $323.15

Now: $249.71

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Resideo WT8840B1500 Water Heater Gas Valve

Resideo

MSRP: $286.03

Now: $221.02

Resideo WT8840B1500 Water Heater Gas Valve Gas Control 1/2" NPT x 1/2" Inverted Flare Natural Gas 160 Degrees 2" Cavity 5" WC Pressure Regulator Mounting in Upright Position Replaces WV8840 Series Valves used in AO Smith and Bradford White Water...

MSRP: $286.03

Now: $221.02

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Resideo WT8840B1000 Water Heater Gas Valve 55/155F 1"Spud5"wc

Resideo

MSRP: $278.88

Now: $215.50

Resideo WT8840B1000 Water Heater Gas Valve Gas Control 1/2" NPT x 1/2" Inverted Flare Natural Gas 160 Degrees 1" Cavity 5" WC Pressure Regulator Mounting in Upright Position Replaces WV8840 Series Valves used in AO Smith and Bradford White Water...

MSRP: $278.88

Now: $215.50

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Asco 8040G123C0400F3 Gas Shutoff Valve 3/4" 2# 12vdc Wtrtight

Asco

MSRP: $298.32

Now: $230.52

Asco 8040G123C0400F3 Gas Shutoff Valve 3/4" 2# 12vdc Wtrtight FurnacePartSource.com Commitment Always Brand-New Genuine Parts In stock parts ship Same Business Day when ordered by 5PM ET No Minimum Order Requirements unless noted...

MSRP: $298.32

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Laars Heating Systems # R0407700 Gas Valve

Laars Heating Systems

MSRP: $529.25

Now: $408.97

Laars Heating Systems # R0407700 Gas Valve FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements

MSRP: $529.25

Now: $408.97

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Amana-Goodman B1282628S (Replaces 0151M00013S) Gas Valve

Amana-Goodman

MSRP: $132.48

Now: $102.37

Amana-Goodman B1282628S (Replaces 0151M00013S) Gas Valve 24v 3.5"WC This is the Direct Replacement for 0151M00013S FurnacePartSource.com Commitment Always Brand-New Genuine Parts In stock parts ship Same Business Day when...

MSRP: $132.48

Now: $102.37

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Emerson White Rodgers # 36J22-214 1/2" 24v FastOpen NatLP GasVlv

Copeland Comfort Control (White Rodgers)

MSRP: $132.54

Now: $102.42

Emerson White Rodgers # 36J22-214 1/2" 24v FastOpen NatLP GasVlv FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts – Every time No Minimum Order Requirements

MSRP: $132.54

Now: $102.42

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Honeywell VR8305Q4195 2 Stg Gas Valve 24v, Heatco

Resideo

MSRP: $446.97

Now: $345.38

Honeywell VR8305Q4195 2 Stg Gas Valve 24v, Heatco FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements

MSRP: $446.97

Now: $345.38

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Lennox 73W17 24v 3.5" wc Nat 1/2" Gas Valve

Lennox

MSRP: $173.89

Now: $134.37

Lennox 73W17 24v 3.5" wc Nat 1/2" Gas Valve FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements

MSRP: $173.89

Now: $134.37

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Honeywell V8295S1006 3/4"N/O 24V SOL.VLV,2# MAX

Honeywell

Honeywell V8295S1006 3/4"N/O 24V SOL.VLV,2# MAX FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements

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Lochinvar & A.O. Smith 100187876 Natural & LP Gas Valve Assembly

Lochinvar & A.O. Smith

MSRP: $1,572.76

Now: $1,215.32

Lochinvar & A.O. Smith 100187876 Natural & LP Gas Valve Assembly FurnacePartSource.com Commitment Always Brand-New Genuine Parts In stock parts ship Same Business Day when ordered by 5PM ET No Minimum Order Requirements unless...

MSRP: $1,572.76

Now: $1,215.32

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Lochinvar & A.O. Smith 100110218 (Updated Version of 9005017205) 24v 3.5" wc Nat 1" Gas Valve

Lochinvar & A.O. Smith

MSRP: $1,013.74

Now: $783.35

Lochinvar & A.O. Smith 100110218 24v 3.5" wc Nat 1" Gas Valve This is the Updated Version for 9005017205 FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Every Time No Minimum...

MSRP: $1,013.74

Now: $783.35

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Honeywell #VR4300A4502 Gas Valve

Resideo

MSRP: $507.97

Now: $392.52

Description 3/4" 120vac standing pilot dual automatic combination valve, 3.5" water column, standard opening, single stage, straight through with flange, 30000 btu to 300000 btu max, 1/2# pressure rating, 1/8" npt pressure tap with plug, includes...

MSRP: $507.97

Now: $392.52

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Maxon 400CMA11BA11BB22A0 Gas Valve 115v w/4" Body

Maxon

MSRP: $12,257.14

Now: $9,471.43

Maxon 400CMA11BA11BB22A0 Gas Valve 4" ANSI Flanged CP Port Flow Capacity Auto-reset 2 Way Normally Closed General Purpose Buna Body O-rings and Bumper Cast Iron Body Internal Trim Package 1 115Vac 60Hz Solenoid Voltage 115Vac 60Hz Motor...

MSRP: $12,257.14

Now: $9,471.43

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Modine 5H0750250000 (Replaces 5H75025) 1/2" Natural Gas Valve

Modine

MSRP: $1,333.07

Now: $1,030.10

Modine 5H0750250000 (Replaces 5H75025) 1/2" Natural Gas Valve 1/2" 24V 3.5" Wc This is the Updated Version of 5H75025 FurnacePartSource.com Commitment Always Brand-New Genuine Parts In stock parts ship Same Business Day...

MSRP: $1,333.07

Now: $1,030.10

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Honeywell V4730C1006-0000 Servo Regulated Gas Valve

Honeywell

MSRP: $1,754.23

Now: $1,355.54

Honeywell V4730C1006-0000 Servo Regulated Gas Valve Gas/Air 1/2" Straight Flange 120 Vac 1/8" Pressure Tappings at Inlet and Outlet Flanges Includes Mesh Screen Filter and Flange Kit (Kit Includes 1 Pipe Adapter, 1 O Ring, 4 Mounting Screws, 1 DIN...

MSRP: $1,754.23

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Laars # V0079400 Gas Valve

Laars Heating Systems

MSRP: $198.15

Now: $153.11

Combination Natural Gas Valve

MSRP: $198.15

Now: $153.11

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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.

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