018978 Genuine Gas Oven Thermocouple for Glem Gas Ovens, Oven Burner Flame Failure Safety Thermocouple

Glem Gas part 018978 is a genuine thermocouple for the burner in a Glem Gas oven. It's the flame failure sensor that keeps gas flowing only while the burner flame is alight. Thermocouples vary in length and in the fittings at each end, so compare the old one with this part and look at the model plate on your oven. We don't hold a model list for 018978, so send us the model number if you'd like it checked.

Why a gas oven won't stay alight

The thermocouple tip sits in the burner flame and produces a tiny voltage when it's hot. That voltage holds the safety valve open. If the tip wears, gets bent away from the flame or the lead is damaged, the voltage drops and the valve closes, cutting off the gas. The classic symptom is an oven burner that lights while you hold the knob in, then goes out as soon as you let go. Burners that cut out mid-cook or take a long time to stay lit point to the same part.

Part details

• Genuine Glem Gas part 018978
• Thermocouple for the gas oven burner
• Flame failure safety device
• No models on file, compare with your old thermocouple

Who should fit it

In Australia any work on a gas appliance must be done by a licensed gas fitter. The gas supply and the power at the wall should both be turned off before work starts. The thermocouple screws into the gas valve and clips in beside the burner, so the fitter will make sure the tip sits in the flame and the connection is tight, then leak test and run the burner to confirm it stays lit.

Questions about this part

How do I know it's the thermocouple and not the igniter?

If the burner lights but goes out when you release the knob, the thermocouple is the likely cause. If there's no spark, or the burner won't light at all, the ignition system is the place to look instead.