Zanussi replacement thermocouple, different from the one fitted?

[Tode]

Gas on one hob burner won’t stay on, so I suspect the thermocouple. Zanussi has a spare for cookers with my PNC but it looks different. My one has a brass nut to lock it into the gas tap, but in Zanussi’s picture that part is green plastic and looks as if it’s a push fit. Will that fit, or is Zanussi using a generic image rather than the specific part? Or any ideas please? (Model ZCG63200WA PNC 94890503402)

[electrofix]

the 2 thermocouples listed for the hob are

3879935017

3879935025

assume same fitting but 2 different lengths. cant see anything about mods

Dave

[kaibart]

Yes the fitting to valve will be the same there are ble ones and green ones

[Tode]

Thanks very much. After opening up the hob and putting it back together again, I’ve now found that the burner sometimes stays on. So I wonder if the problem could be a bad electrical connection rather than a permanent break. To help me diagnose this, could someone explain why these thermocouples have wires that go to the gas taps via terminal blocks at the back of the hob?

[electrofix]

well its a bit of a guess but does it shut off gas if the lid closes ?

Dave

[Tode]

Thnk you! it goes off when you shut the lid. There’s no gas valve for the hob in the parts list so there must be switches in the thermocouple leads. Each lead has a spade connector block, so I could check that by swapping two of them around.

[kaibart]

These have 4 micro switches one for each thermocouple might be worth checking them only a few causes of flame going out thermocouple you could swap over to test microswitch same with that valvethat thermocouple goes into and last thing is burner cap and burner base

[Author]

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