Unvented cylinder slight bulge?

[HHHoho1]

Hi Everyone,

I happened to pass my RM Cylinder Stelflow 210l Unvented Cylinder today and noticed that it was bulging slightly at the seam. Bulge may not be the right word - it's more of a slight curve. To be honest it might have always been like this.

I tried to take a picture of it but couldn't really pick up the curve, but you can see the seam has widened slightly.

It was serviced about 6 months ago by a G3 engineer and installed by a G3 engineer.

No change in performance in my system, no funny noises or anything.

Cause for concern?

 

[Dan Robinson]

Unlikely. It is just a shell to make it look pretty.

 

[ianmcd]

As Dan says its just an outer casing, behind that casing is insulation then the actual cylinder, if it was leaking you would have water signs