Leaky Boiler.

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longers

Legendary Member
As per title.

Got the cover off it and found where the drips are coming from.
Hopefully the photo shows it - no idea what the part is but a slow and steady drip is making it's way out under the blob of sealant stuff on top of the wotsit where the wires are held on.

2hqb01y.jpg


Any ideas of how I can bodge a repair to it myself please? Thanks.
 

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dan_bo

How much does it cost to Oldham?
Can you not buy such a doofit from t'plumbers?

looks like pence to me.

Otherwise, try chewing gum.
 

Globalti

Legendary Member
Don't ask on here, go and ask on the plumbing section at DIYnot.com. Make sure you tell 'em what model and make the boiler is though or they'll tear you to pieces. In exchange for that small effort you'll get good advice from real plumbers.
 

slowmotion

Quite dreadful
Location
lost somewhere
Get a couple of these, Fernox F4 leak sealer. Total cost, about £18.

Good luck.
 
The part looks to be a thermal cut out (as is the one next to it with red wires).
Its job is similar to one you will have in a kettle which swiches the thing off when it gets over a certain point. Often it will not reach the point because the heat is being sent to the radiators.

Worry I have with the bodge option is that the water may have found its way into the electrical part of the swich (it has some sort of heat expansion trigger in the boiler itself that is linked to the electrical part) so it may then not trigger and could blow up the boiler! (Say if all the rads shut off and the boiler kept on working).

I think it should be able to be disconnected at the wires and should then unscrew from the boiler. My guess at a new one is £20. I think it should have a temperature on (point it cuts out at) and you should be able to get a part fairly easily.

Only thing may be that it probably threads into the water of the boiler so on removal you get very wet!
Boiler should have isolator taps to shut it down from the rest of the system so you do not need to drain the lot out.
 
OP
OP
longers

longers

Legendary Member
^ that sounds about right, 10/10! Thanks.

The part is listed as the DHW Flowstat or water throttle and is available to buy for just over £20. The bodge won't be permament, assuming there's one in stock I'll get it ordered today and fitted at the weekend if not before.
 
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