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Water dripping from Boiler - HELP NEEDED

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Hi All, I've noticed that water is slowly dripping from the underside of my boiler (KESTON C36 COMBI). I have taken the cover of the boiler to identify the fault and it seems to be coming out fr… Read More
mac75 Avatar
2y, 4m agoPosted 2 years, 4 months ago
Hi All,

I've noticed that water is slowly dripping from the underside of my boiler (KESTON C36 COMBI).

I have taken the cover of the boiler to identify the fault and it seems to be coming out from the end of a metal pipe. For now I have turned off the boiler and the water mains to stop the water from dripping.

I'm going to call out an expert but wondered if it sounded like a common thing to some of the more experienced people on this forum.

Is there a simple fix for this problem that I might be able to do DIY?

Please see the video link of the water dripping.

https://www.youtube.com/watch?v=BO9qqXY58Hw

All help is appreciated.

Thanks
mac75 Avatar
2y, 4m agoPosted 2 years, 4 months ago
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All Responses

(14) Jump to unreadPost an answer
Responses/page:
#1
Can't you tighten that bad boy? Maybe with some PTFE tape or whatever it's called?
banned#2
Don't you just need to tighten the nut
#3
Looks like a failed heat exchanger.

Not a difficult thing to change - no idea about costs though.

I'm assuming that the leak is from the heat exchanger rather than just the nut leaking as suggested above.

think this is the part number :
DHW Heat Exchanger (C.10C.2.09.00.0)
http://www.kestonheatingspares.co.uk/keston-heat-exchanger-dhw-c10c209000.html


Edited By: mas99 on Jan 06, 2015 14:22: added link to part
#4
tighten your nuts, they have come loose with heat expansion
#5
diaphragm needs replacing
#6
It's illegal to work on a boiler under the hood
#7
Removing the cover is against the law, Call a plumber.
#8
esar
It's illegal to work on a boiler under the hood


no actually. as long as u don't disturb the gas line u can take the main cover of. its only if u was to take the second cover of to the combustion chamber u would be breaking the law or disturbing anything that would effect the gas. dismantling the dhw part is completely fine and does not need to be a gas engineer.

what u need to do is see if u can tighten the nut with a spanner. it it does not work the undo the nut replace the 1/2inch fibre washer and re tighten the nut. any tap connector or 1/2 inch fibre washer should fit. do it with the main water turned off
#9
kash2013
esar
It's illegal to work on a boiler under the hood

no actually. as long as u don't disturb the gas line u can take the main cover of. its only if u was to take the second cover of to the combustion chamber u would be breaking the law or disturbing anything that would effect the gas. dismantling the dhw part is completely fine and does not need to be a gas engineer.

what u need to do is see if u can tighten the nut with a spanner. it it does not work the undo the nut replace the 1/2inch fibre washer and re tighten the nut. any tap connector or 1/2 inch fibre washer should fit. do it with the main water turned off
Happy to be corrected
#10
however its a keston...
not best known for reliability

might want to start saving for a replacement.


A brand to avoid, according to Which?, is Keston. An enormous 79% of the Keston owners said they had experienced problems with their boiler within four years of purchase; while just 47% thought they had made the right choice. Steer clear.


Edited By: mrwhitelabel on Jan 06, 2015 22:52
#11
when you get this, i think it is time to replace the boiler.
#12
mutley1
when you get this, i think it is time to replace the boiler.

Why oO
would u replace a boiler if the repair part maybe be less than £2.

http://www.screwfix.com/p/fibre-washers-for-flexible-tap-connectors-pack-of-20/93297

or if its just needs tightening then it would be free.
#13
kash2013
mutley1
when you get this, i think it is time to replace the boiler.

Why oO
would u replace a boiler if the repair part maybe be less than £2.

http://www.screwfix.com/p/fibre-washers-for-flexible-tap-connectors-pack-of-20/93297

or if its just needs tightening then it would be free.

boilers don't tend to leak until they have something seriously wrong with them. i have had several combi boilers and whenever they start to leak it always mean something serious has broken in one of the components. it has never been a simple pipe leak.
#14
this happened to mine, just tightened it job done.

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