Lame rods are essential for detecting and sustaining the flame in gas furnaces. Key components like flame rod holders, flame rod assemblies, flame rod adapter pilot assemblies, flame rod sensors, and flame rod wires keep your furnace operating safely and efficiently.
-13%Modine 5H0815430000 Flame Rod Adapt Pilot AssemblySpecial Price $186.78 Regular Price $214.80Out of stock
Furnace Flame Rods & Sensors
Furnace flame rods play a crucial role in gas furnace operation by detecting the presence of a flame and ensuring safe ignition. Without a properly functioning flame rod, a furnace may fail to ignite, shut down unexpectedly, or even pose safety risks. These rods detect the flame’s electrical signal to keep the furnace running smoothly.
The flame rod holder secures the flame rod in place, providing stability for accurate flame detection. The flame rod assembly is the complete sensing unit that monitors the furnace flame and signals the control board for uninterrupted operation. The flame rod adapt pilot assembly connects the flame rod to the pilot system, allowing proper ignition and flame detection at the pilot stage. Meanwhile, the flame rod sensor detects the flame’s presence and ensures the furnace only operates when it is safe. Flame rod wires transmit the sensor’s signal to the control board, completing the safety circuit that prevents dangerous malfunctions. Flame rods can fail due to corrosion, soot buildup, or heat damage, causing ignition problems or furnace shutdowns. Regular inspection and replacement help maintain your gas furnace's efficiency and safety.
At PartsHnC, we offer a wide selection of furnace flame rods, including 12-inch flame rods, non-integrated flame sense retrofit kits, and flame rod adapt pilot assemblies from top brands like Honeywell, Rheem-Ruud, and Modine.
FAQs
Can I run my furnace without a flame sensor?
No, running a furnace without a flame sensor is unsafe. The sensor prevents gas leaks by ensuring the burner ignites properly.
What causes a Flame Rod to fail?
Flame Rods can fail due to soot buildup, corrosion, heat damage, or improper installation. A failing rod may cause your furnace to shut down unexpectedly or fail to ignite.
How to test a flame-sensing rod?
To test a flame sensing rod, turn off the furnace power, remove the rod, and use a multimeter to check for continuity or microamp current. A reading indicates the rod is working; no reading means it may need cleaning or replacement.
Can I clean a flame rod instead of replacing it?
Yes, minor soot buildup can sometimes be cleaned using a soft cloth or fine sandpaper. However, corrosion, cracks, or severe damage require full replacement to ensure safe furnace operation.