Understanding when to replace your furnace gas valve is a critical part of keeping your home safe, warm and energy efficient. The gas valve is an often under appreciated part of your heating system—and without it, your furnace can’t function.
In this blog, Donald P. Dick Air Conditioning will share the key signs of a broken gas valve. Whether you’re troubleshooting a potential problem or just want more information about how a furnace works, this guide for Fresno, California, homeowners will help you know when it’s time for furnace gas valve replacement—and when to call the experts at Donald P. Dick Air Conditioning.
What is a Furnace Gas Valve and What Does It Do?
To begin, it’s important to know what a furnace gas valve is and what it does. The furnace gas valve regulates the flow of natural gas or propane into the unit’s burner assembly, enabling the combustion process to occur and produce heat. If gas flow is blocked, a gas-powered furnace is unable to warm your home.
Also a beneficial safety feature, the furnace gas valve is supposed to shut if a problem is detected—preventing a potentially deadly gas leak. The typical furnace gas valve lifespan is about a decade or two. While replacement price depends on the kind of furnace and if any other service is required, replacing a furnace gas valve costs an average of between $300 and $800.
The Furnace Won’t Light
One of the signs it could be time to replace your furnace gas valve is if the furnace is not igniting or if the pilot light won’t light. Gas is what fuels the burner. Without enough gas flow through the system, a furnace won’t start up. Sometimes, homeowners also hear that the igniter clicks but there’s no flame.
However, a furnace not igniting or a pilot light that won’t light or stay lit can sometimes be symptoms of other mechanical issues, such as a bad flame sensor, an issue with the thermocouple or low gas pressure. If you experience these problems, it’s important to call a certified HVAC technician for an inspection. They’ll safely determine whether the problem a thermocouple vs gas valve issue, or if there’s another reason your furnace won’t start or the pilot light won’t stay lit.
Furnace Smells Like Gas
One serious sign of a malfunctioning furnace gas valve is a noticeable gas smell in your home. This isn’t just a furnace maintenance concern—it’s an potentially deadly hazard. A gas leak can lead to fire, explosion or even CO poisoning. If you smell gas, leave the home right away, call your gas company or 911, and then phone Donald P. Dick Air Conditioning for emergency furnace repair.
Furnace is Short Cycling
Faulty gas valve symptoms also include short cycling. Short cycling is when a furnace runs in short bursts instead of going through its full cycle. This is because a faulty furnace gas valve can cause inconsistent gas flow. The valve malfunction also could cause your furnace to turn off to avoid causing a gas leak.
At the same time, sometimes furnace short cycling has other causes, so it’s important to seek out a qualified heating expert for evaluation and possible furnace repair.
What to Do When Your Furnace Gas Valve Isn’t Working?
If you suspect your furnace gas valve has malfunctioned, it’s crucial that you take action immediately.
First, turn off the gas supply to stop the flow of gas, then turn off your furnace. Don’t try to fix the valve yourself. DIY gas valve repair can create a deadly gas leak if not done right and also could void your warranty and gas valve coverage. Whether the gas valve is stuck open, closed or isn’t working for another reason—gas valve work isn’t a task for someone without specialized tools and training. Plus, when it comes to comparing options between gas valve repair and gas valve replacement, it’s almost always recommended to replace a gas valve instead of fixing it.
Call Donald P. Dick Air Conditioning to Be Sure Your Furnace is Ready for the Fresno, California, Winter
To replace your furnace gas valve safely, contact the professional Fresno, California, HVAC company—Donald P. Dick Air Conditioning. Our experienced professionals know just what to do when it comes to gas valve troubleshooting. We’ll diagnose the issue, perform the gas valve replacement safely and make sure your system is running efficiently again. To save even more power, we can even pair your system with one of our smart thermostats or provide furnace installation service to help you replace your aging, inefficient furnace.
Don’t put your home at risk. Call 559-255-1644 today for gas valve replacement services from Donald P. Dick Air Conditioning.
Whether you require installation, repair, or maintenance, our technicians will assist you with top-quality service at any time of the day or night. Take comfort in knowing your indoor air quality is the best it can be with MOE heating & cooling services Ontario's solution for heating, air conditioning, and ventilation that’s cooler than the rest.
Contact us to schedule a visit. Our qualified team of technicians, are always ready to help you and guide you for heating and cooling issues. Weather you want to replace an old furnace or install a brand new air conditioner, we are here to help you. Our main office is at Kitchener but we can service most of Ontario's cities
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