Vomit smell from water cylinder

[clueless spanner]

Awful vomit smell coming from airing cupboard where hot water storage tank is. I see a leak from a pipe out of cylinder.

Why does it smell so bad? Is it dangerous?

I ve circled the leak. Is that water from the cylinder or to the cylinder?

It’s a communal system with boiler on the roof.

I await the engineers. Tik tok tik tok. I can’t call my own plumbers as they won’t touch communal set ups.

 

[clueless spanner]

Some more photos of the set up

 

[footprints]

Chances are it is the additive in the heating system you can smell it can be unpleasant. Stop the leak should solve it although if that auto vent is operating a lot you may have a smell from the gasses produced.

 

[clueless spanner]

Thanks. I read it could be hydrogen sulfide ?

 

[footprints]

Possibility but if a lot is being produced it suggests a problem with the system, constant refilling or else pumping over/ sucking in air.
Not familiar with your Thermoflow system, but certainty not uncommon if the normal open systems.
Perhaps others will be a bit more up to date than an old retired codger like me.

 

[clueless spanner]

Ok thanks for your input. Old codgers rule!

 

[DP]

Why is the temperature so high?

 

[clueless spanner]

Dunno: I did wonder. What should it be?

 

[DP]

Either gauge is faulty or you need you system looked at.
A gas boiler use to max at 85 degrees with overheat cutout set at 95 degrees C ( mostly)
Condensing boilers start thinking of shutting down around 80 but at that temperature unlike;y to be condensing.

 

[polesapart]

Any solar involved?

 

[clueless spanner]

No solar. Council contractor stopped the leak. Changed the venting part. And some strange looking wiring with the two new Danfloss boxes. But the vomit smell is worse than ever. Wondering where it’s coming from. I heard lots of leaking when he was working so I bleached the area. Still really bad smell. Throughout flat. Is it air venting out? Temperature still really high. 100 degrees.

These are council contractor heating engineers. No offence but they don’t seem to analyse the in it s totality. Just on the specific job request they are contracted to do.

 

[footprints]

Certainly something more wrong there, much too high, normally heating around 80 and domestic hot water 60 deg.
Sounds like you could make tea with your system!
Not to be a scaremonger but I would get that sorted asap, impress on the council the urgency.
If you have kids or other vulnerable people salding will be danger quite apart from any other concerns.

 

[clueless spanner]

Ok thanks. I specifically asked the heating engineer about the high 100 degree temp and he said it’s needed to heat up the heating coil.

 

[footprints]

OK as I said I am a bit out of touch these days but it still seems excessive, I would google the makers of the cylinder and give them a call for their opinion.

 

[clueless spanner]

Ok thanks. Good idea