ᐅ Discolored heating system water with signs of rust detected.

Created on: 13 Dec 2017 19:43
H
hstkai
Hello,
my heating system has been running for just over a year now. By chance, I recently noticed discoloration on the flow meters, see picture.
I filed a defect report with the general contractor, stating that the heating water appears rusty/sludgy, as evidenced by the flow meters. Their response was a casual statement that some discoloration on the flow meters is normal to a certain extent and that if there is a serious malfunction of the underfloor heating, it will of course be fixed.
Do your flow meters look like this as well?

Several transparent hoses connect metal pipes; valves, control unit, and cables.
Knöpfchen27 Jan 2019 14:18
There are also sludge separators without magnetic functionality, which should be taken into account.
D
Domski
27 Jan 2019 14:42
True, but it doesn't make sense to do without the magnet.
Mycraft28 Jan 2019 10:04
cinderella21 schrieb:
And who is supposed to pay for that?

Since it is not a defect, it is your responsibility. But as others have already mentioned, you don’t need to tear everything out just because of one or two pipes. A skilled tradesperson can handle it without resorting to heavy demolition.
cinderella21 schrieb:
Mycraft said it makes sense to have the pipes replaced,

Makes sense: yes
Absolutely necessary: no

However, sooner or later, decreased performance and blockages can occur. But not necessarily.

C
cinderella21
2 Feb 2019 13:53
Hello

A microbubble and magnetic sludge separator will now be installed for us free of charge.

Last Monday, heating water was taken for analysis. The water was clear. So, the orange or rust-colored substance could only have settled in the flow measurement tubes, right?

I would appreciate your opinions. Carbon steel pipe was only used from the basement through the chimney to the distribution box on the upper floor, and from there only to the towel radiator in the bathroom and back. Otherwise, diffusion-tight plastic pipes were installed.

Thank you very much.
D
Domski
2 Feb 2019 14:49
Great result! And thank you for the feedback!
Mycraft2 Feb 2019 15:08
The orange/rust-colored residue settles on the interior walls of the system, so on everything inside.