Whenever you are checking a GE hot water heater and a gas valve seems suspiciously familiar, that small coincidence can save you a bigger headache later.
The right valve keeps heat steady, supports safety, and helps your heater run as it should, so you should match the exact model, fuel type, thread size, and relief setting before you buy.
From OEM replacements to key fit checks, a few details make all the difference, and one of them is easier to miss than you might expect.
| Camco Temperature and Pressure Relief Valve (10473) |  | Best Safety Valve | Valve Type: Temperature/pressure relief valve | Compatibility: RV/home water heaters | Connection Type: 3/4-inch NPT | VIEW LATEST PRICE | Read Our Analysis |
| Reliance Water Heater Gas Control Valve 100112336 Thermostat |  | Professional Grade | Valve Type: Gas control valve | Compatibility: A.O. Smith/Reliance/State/American heaters | Connection Type: Water heater mount | VIEW LATEST PRICE | Read Our Analysis |
| Rheem Gas Control Thermostat for Natural Gas |  | Best Overall | Valve Type: Gas control thermostat | Compatibility: Rheem natural gas heaters | Connection Type: Wired | VIEW LATEST PRICE | Read Our Analysis |
| Rheem SP8346 Temperature and Pressure Relief Valve with 3/4-Inch NPT Small | Best Replacement Valve | Valve Type: Temperature/pressure relief valve | Compatibility: Rheem water heaters | Connection Type: 3/4-inch NPT | VIEW LATEST PRICE | Read Our Analysis | |
| Hayward Natural Gas Valve Replacement for H-Series Pool Heater |  | Best For Pools | Valve Type: Natural gas valve | Compatibility: Hayward H-series pool heaters | Connection Type: 1.5-inch NPT | VIEW LATEST PRICE | Read Our Analysis |
| Rheem SP20303D Water Heater Gas Control (Thermostat) NG |  | Customer Favorite | Valve Type: Gas control thermostat | Compatibility: Rheem water heaters | Connection Type: Wall mount | VIEW LATEST PRICE | Read Our Analysis |
| WV8840B1158 Water Heater NG Gas Valve Replacement | OEM Upgrade | Valve Type: NG gas valve | Compatibility: 2-inch cavity heaters | Connection Type: N/A | VIEW LATEST PRICE | Read Our Analysis | |
| AP14270G-1 – Rheem OEM Upgraded Replacement Water Heater Gas Valve | Premium Replacement | Valve Type: Gas valve | Compatibility: Rheem water heaters | Connection Type: 1-inch FNPT | VIEW LATEST PRICE | Read Our Analysis | |
| WV8840C1406 – OEM Upgraded Water Heater Natural Gas Valve Fits Rheem |  | Reliable Pick | Valve Type: Natural gas valve | Compatibility: Rheem water heaters | Connection Type: N/A | VIEW LATEST PRICE | Read Our Analysis |
More Details on Our Top Picks
Camco Temperature and Pressure Relief Valve (10473)
If you need a relief valve that helps protect your water heater from high heat and rising pressure, the Camco Automatic Temperature and Pressure Relief Valve with Extension Probe and Lever, Model 10473, is a practical choice for RV and home setups. It features a CSA-certified brass valve, a stainless steel spring, and an epoxy-coated probe for improved corrosion resistance. The 3/4-inch NPT connection and 4-inch probe help make installation straightforward. With a factory setting of 150 PSI and 210°F, plus a test lever for checking operation, it provides reliable pressure control when your system needs it.
- Valve Type:Temperature/pressure relief valve
- Compatibility:RV/home water heaters
- Connection Type:3/4-inch NPT
- Material:Brass/stainless steel
- Power Source:None
- Smart Compatibility:Not smart compatible
- Additional Feature:150 PSI factory setting
- Additional Feature:210°F temperature setting
- Additional Feature:Extension probe included
Reliance Water Heater Gas Control Valve 100112336 Thermostat
The Reliance Water Heater Gas Control Valve 100112336 Thermostat is a practical choice for homeowners who need a dependable natural gas control valve for a compatible tank and want a direct replacement they can rely on. It works with A.O. Smith, Reliance, State, and American water heaters. Powered by gas with electronic control, it helps regulate heat with consistent response. Designed for indoor water heater mounting, it is straightforward and practical. Professional installation is recommended to help protect the warranty and support safer operation. Its compact size and white plastic body can make replacement easier.
- Valve Type:Gas control valve
- Compatibility:A.O. Smith/Reliance/State/American heaters
- Connection Type:Water heater mount
- Material:Plastic
- Power Source:Gas powered
- Smart Compatibility:Not smart compatible
- Additional Feature:Honey electronic gas valve
- Additional Feature:Professional installation required
- Additional Feature:Indoor installation style
Rheem Gas Control Thermostat for Natural Gas
Rheem’s AP14270G gas control thermostat is a smart choice if you need a natural gas valve that keeps your water heater running safely and consistently without much hassle. It features a metal, wired ProTech design that controls gas flow and regulates temperature with touch controls and manual settings. With hardwired power and wall mounting, it fits cleanly into your setup. Check your tank serial number first, since compatibility matters. A licensed professional should install it, so you can have peace of mind knowing the job is done correctly and your hot water stays reliable.
- Valve Type:Gas control thermostat
- Compatibility:Rheem natural gas heaters
- Connection Type:Wired
- Material:Metal
- Power Source:Hardwire
- Smart Compatibility:Not smart compatible
- Additional Feature:ProTech gas valve design
- Additional Feature:Touchscreen display
- Additional Feature:MET certified
Rheem SP8346 Temperature and Pressure Relief Valve with 3/4-Inch NPT Small
A small but vital safeguard can make all the difference, and the Rheem SP8346 Temperature and Pressure Relief Valve is built for that job. It is a metal valve with a stainless steel finish, 3/4-inch NPT inlet and outlet, and two ports for water heater protection. It opens at 210°F and 150 psi, helping prevent dangerous buildup before it becomes a problem. Since Rheem recommends using only Rheem replacement parts, this SP8346 is a suitable choice. Its compact 7-1/4 inch length and 105,000 BTU/hr CSA capacity make it a practical option.
- Valve Type:Temperature/pressure relief valve
- Compatibility:Rheem water heaters
- Connection Type:3/4-inch NPT
- Material:Metal/stainless steel
- Power Source:None
- Smart Compatibility:Not smart compatible
- Additional Feature:105,000 BTU capacity
- Additional Feature:Stainless steel finish
- Additional Feature:Small size designation
Hayward Natural Gas Valve Replacement for H-Series Pool Heater
Need a reliable natural gas valve for your Hayward Universal H-Series low NOx pool heater? The Hayward FDXLGSV0001 is the correct replacement for models H150FDN through H400FDP. It features a metal globe valve with two threaded NPT ports and 1.5-inch inlet and outlet connections, making installation straightforward. It meets CE and UL standards, which supports confidence in fit and safety. Since it is not smart-home compatible, it stays focused on one job, steady gas control. If your heater needs a new valve, this part helps keep your pool heating ready.
- Valve Type:Natural gas valve
- Compatibility:Hayward H-series pool heaters
- Connection Type:1.5-inch NPT
- Material:Metal
- Power Source:None
- Smart Compatibility:Not smart compatible
- Additional Feature:CE and UL certified
- Additional Feature:1.5-inch threaded ports
- Additional Feature:Fits 12 heater models
Rheem SP20303D Water Heater Gas Control (Thermostat) NG
The Rheem SP20303D water heater gas control thermostat is a practical choice if you want a natural gas valve that keeps things simple, reliable, and suitable for indoor use. It includes a wall mount design, a yellow finish, and a standard setup that supports a straightforward installation. It is not electric or smart home compatible, so you can focus on steady heat rather than app features. With a 4.4 star rating from 196 reviews, it appears to be a trusted replacement. You also get Amazon’s 30 day return window and manufacturer warranty support.
- Valve Type:Gas control thermostat
- Compatibility:Rheem water heaters
- Connection Type:Wall mount
- Material:N/A
- Power Source:Natural gas
- Smart Compatibility:Not smart compatible
- Additional Feature:4.4-star rating
- Additional Feature:196 customer reviews
- Additional Feature:1.31 kg weight
WV8840B1158 Water Heater NG Gas Valve Replacement
WV8840B1158 water heater NG gas valve replacement is a smart choice if you need a direct OEM style fix for a unit with a 2 inch cavity and want to keep the repair simple and dependable. You get a brand new, OEM upgraded natural gas valve that replaces part WV8840B1158 and matches Honeywell style setups. It fits water heaters in the Tools and Home Improvement parts category, and it weighs 1.98 pounds. Because fit matters, you should confirm your part number before you buy. That quick check helps you avoid stress, save time, and keep your heater running the way you want.
- Valve Type:NG gas valve
- Compatibility:2-inch cavity heaters
- Connection Type:N/A
- Material:N/A
- Power Source:Natural gas
- Smart Compatibility:N/A
- Additional Feature:2-inch cavity fit
- Additional Feature:OEM upgraded replacement
- Additional Feature:February 2024 release
AP14270G-1 – Rheem OEM Upgraded Replacement Water Heater Gas Valve
If your water heater uses an AP14270G-1 gas valve, this Rheem OEM upgraded replacement is a smart choice because it matches the original design and simplifies installation. You get a brand new OEM part built for Rheem systems, so you can trust the fit and function. Its threaded FNPT connections, with 1 inch inlet and outlet ports, make hookup easier. The brass and stainless steel construction adds solid durability, while the two port layout supports steady control. At 42 ounces, it feels sturdy without being bulky. This replacement helps restore heat with less hassle and more confidence.
- Valve Type:Gas valve
- Compatibility:Rheem water heaters
- Connection Type:1-inch FNPT
- Material:Brass/stainless steel
- Power Source:None
- Smart Compatibility:N/A
- Additional Feature:42-ounce weight
- Additional Feature:2-port design
- Additional Feature:FNPT threaded ports
WV8840C1406 – OEM Upgraded Water Heater Natural Gas Valve Fits Rheem
WV8840C1406 is a strong fit if you need a brand-new natural gas valve for a Rheem water heater and want a direct OEM replacement you can trust. You get a genuine Rheem part, model WV8840C1406, built for natural gas use and sold new, not rebuilt. It measures 7 by 7 by 7 inches and weighs 4 pounds, so it feels sturdy in your hands. With 92 reviews and a 3.7-star average, it is a practical choice for your repair. It also requires no batteries and fits easily within Water Heater Replacement Parts.
- Valve Type:Natural gas valve
- Compatibility:Rheem water heaters
- Connection Type:N/A
- Material:N/A
- Power Source:None
- Smart Compatibility:N/A
- Additional Feature:7 x 7 x 7
- Additional Feature:4-pound weight
- Additional Feature:Brand new condition
Factors to Consider When Choosing a Ge Hot Water Heater Gas Valve
When choosing a GE hot water heater gas valve, first confirm that it matches your exact model and the correct gas type. You should also verify proper safety certifications, since this component plays an important role in safe operation. Next, check the installation requirements, valve size, and thread connections so you do not end up with a part that only seems to fit.
Compatibility Verification
To get the right GE hot water heater gas valve, you need to match the exact unit first, because even small differences can cause big headaches later. Check the data plate, and match the model and serial number to the valve’s approved range. Then compare the physical fit so you do not fight the threads, ports, or mounting cavity. Make sure the replacement uses the same control style and electrical or thermostat setup as your original valve, whether it runs a pilot, electronic ignition, or standing pilot. Next, confirm the certifications and safety limits line up with your heater and local code. If you skip these details, a small mismatch can turn into a wasted part and a long afternoon.
Gas Type Match
Now that you have matched the right GE valve to your heater, the next step is making sure it fits the fuel your unit actually uses. You need a valve built for natural gas or propane, not both, because each fuel requires different orifice sizes and pressure settings. Next, check the inlet and outlet pressure ratings to make sure they align with your heater’s needs and keep the flame steady. Also, look at the regulator setup. An internal regulator will not always work where an external one is required, and that mismatch can affect performance. After that, confirm the thermostat, pilot, thermocouple, and shutoff parts are made for your fuel type. If you are converting fuels, use only a certified conversion valve and kit.
Safety Certifications
Just as vital as the fuel match, a GE hot water heater gas valve also needs the right safety certification, because that stamp tells you the part has passed real testing for safe use. Look first for CSA, UL, or ANSI approval, since these marks show the valve meets trusted safety and performance rules. Then confirm it is certified for your fuel type and pressure range, whether you use natural gas or propane, so it will not operate outside safe limits. You should also check for standards that cover temperature and pressure protection, since those help guard against overheating and excess pressure. Finally, review local code requirements and ask for certification numbers or test reports. That paperwork makes inspections easier and gives you added peace of mind.
Installation Requirements
Because a gas valve sits at the heart of your water heater’s safety and performance, installation must be handled with care from the start. Match the replacement to your fuel type and the heater’s OEM specifications, then hire a licensed gas technician to do the work. That step helps protect your warranty and supports safe operation. Before any swap, shut off gas and power, drain pressure, and follow the manufacturer’s torque and sealant instructions so you do not create leaks or strip threads. Next, check local codes and obtain any permit or inspection your area requires. Finally, test the unit with approved leak checks and confirm that the thermostat, pilot, flame sensing, and safety limits all work before returning it to service.
Valve Size And Threads
After you’ve confirmed the heater is safe to work on, the next step is making sure the new gas valve fits the unit. Check the thread type first. Most GE heaters use NPT threads, and you need an exact match for a tight seal. Next, verify the thread size, since 3/4 inch and 1 inch are common and help the valve seat without adapters. Then look at the shank and probe length, because the sensor must reach the tank while still clearing the port. Also compare the port count and orientation so the inlet and outlet line up with your plumbing. If you need an adapter, confirm its pressure rating and whether it is male or female NPT.
Frequently Asked Questions
How Do I Know if My GE Gas Valve Is Failing?
You may notice a failing GE gas valve if the pilot will not stay lit, the water heats inconsistently, you smell gas, hear clicking, or see error codes. If you spot any of these signs, shut off the unit and call a technician.
Can I Replace a GE Gas Valve Myself Safely?
Not safely, unless you are qualified. You can replace it yourself only if you shut off the gas, power, and water, then follow GE specifications exactly; otherwise, you risk leaks, fire, or carbon monoxide exposure.
How Often Should a Gas Valve Be Inspected?
You should inspect your gas valve yearly, and sooner if you notice leaks, odors, rust, or uneven heating. This helps you catch problems earlier, reduce safety risks, and keep your water heater running reliably.
Will Any Ge-Compatible Valve Fit My Heater Model?
Most replacement failures happen because of mismatched specs. You cannot assume any GE-compatible valve will fit your heater model. You need the exact model number, gas type, thread size, and pressure rating before you buy.
What Signs Indicate Gas Valve Calibration Problems?
You’ll notice calibration problems if your burner won’t stay lit, the water temperature swings widely, the pilot keeps going out, or you smell gas. You may also see delayed ignition, noisy flames, or error codes.
