Your furnace will still have a flame sensor but it will be over the burner s flame.
Boiler pilot light won t stay lit.
Some common causes include issues with the thermocouple and pilot tube.
This started occurring after i did some gas plumbing and had to relight the pilot.
One is a manual type that you must light and the other is an automatic pilot ignition type that lights itself.
I ve used this furnace for over 15 years without replacing the thermocouple.
On mar 08 2010.
Why does this happen.
Maybe the pilot stays on for a moment and the furnace attempts to fire but almost immediately shuts down.
A pilot light that won t stay lit is more than frustrating.
Attempts to re light the pilot light are futile.
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A faulty thermocouple may arbitrarily determine that the light is off when you want it on and vice versa.
What to do if a gas furnace pilot light won t stay lit written by doityourself staff.
The pilot won t stay lit on my furnace when i release the button it just goes out.
The thermocouple detects the pilot light via sensors.
This pilot light may not always stay lit due to a variety of issues that may affect the gas supply or ignitor.
If your furnace s pilot light won t stay on the furnace won t work.
These furnaces skip steps 3 5 and instead light the burner directly.
Before conceding the cost of emergency repairs and calling an hvac professional read ahead for some of the most common reasons why your furnace pilot.
It won t stay on.
Not only does it prevent a furnace from operating properly but an unlit pilot can also steal away the comforts of a hot morning shower.
How to light a boiler pilot light.
When my pilot light wouldn t stay lit on my furnace i asked a few plumber buddies about the symptoms and they both said it was the thermo couple.
There are two types of boiler pilot lights.
Furnaces of various kinds are gas powered and use a pilot light to supply heat to the unit including standard home furnaces and floor furnaces.
I suspected the thermocouple and replaced it but this didn t fix the problem.