Thermcouple problem / testing

C

chriscfclondon

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are universal thermcouple suitable fir every boiler with a perm pilot? My boiler pilot has gone out, and won't hold when relit. I have got a universal one.

Having visually looked at the thermocouple tip and cleaned it, it still does not hold. I also have seen that there is an overheat interrupter connected and removing that to prove it's faulty, the pilot still goes out.

I have connected the universal thermocouple but still no good, but I am wondering maybe universal thtermocouples don't fit / work on all boilers?

Thanks for your help

Is there anyway I can test the thermcouple to prove it's the fault?
 
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I think you need a RGI, you are unlikely to get specific advice here due to the safety/competency issues.
 
I know you can get thermocouple testers, but anyway of testing using multimeter?

I've tested the resistance and that is fine, but trying to test the milivolts - how do you do this?
 
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I have the thermouple removed, and am testing it, but where abouts do the probes go.... on the ball? What setting is best to use on the multimeter? Maybe the gas valve is at fault then.... but how can you prove this, just by a process of elimination?
 
mate their other things what look like thermocouple and are not thermo couple whats at fault and univrsal does not fit every boiler so get rgi out you will be happyeir for it
 
the pilot flame heats the thermocouple tip properley, but when the button is released, the pilot flame goes out. i have visually checked it, cleaned it, checked its tight in the gas valve, remoed the interrupter metal pad and testedd as well. universal thermocouple fitted but seemed smaller tipped than original, maybe not correct size
 
you're not listening are you.
get a registered engineer out.
 
all i wanted to know is what setting on my multimeter to use to check the thermocouple 100% - if it is ok, then it must be gas valve, so i will have to ring up a gas reg. engineer.
 
chriscfclondon said:
all i wanted to know is what setting on my multimeter to use to check the thermocouple 100% - if it is ok, then it must be gas valve, so i will have to ring up a gas reg. engineer.
Click to expand...

if you dont know that

listen to mick

you're not listening are you.
get a registered engineer out.

__________________
Mick.
Click to expand...
[/code]
 
get an rgi thermocuple goes into the cumbustion chamber thus if not sealed properly then you risk ur neck could help but you need a pro and not ten dollar type :eek:
 
It can be a failed solenoid in the gas valve - but as others have said, you should call in a professional.

There is too much abuse about - any abuse is too much!
 
D

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