Automatic radiator bleed valves


R

Ron O'Brien

As I have a radiator that constantly needs bleeding I was interested to here
someone tell me that you can get a self-bleeding valve that replaces the
existing bleed valve. I've had a quick look on the Screwfix site but can't
see anything obvious, do they exist or is this just an urban myth?
 
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S

Stickems.

I bought mine in Focus DIY shed.


| As I have a radiator that constantly needs bleeding I was interested to
here
| someone tell me that you can get a self-bleeding valve that replaces the
| existing bleed valve. I've had a quick look on the Screwfix site but can't
| see anything obvious, do they exist or is this just an urban myth?
|
| --
| Ron O'Brien
|
 
F

fred

Ron O'Brien said:
As I have a radiator that constantly needs bleeding I was interested to here
someone tell me that you can get a self-bleeding valve that replaces the
existing bleed valve. I've had a quick look on the Screwfix site but can't
see anything obvious, do they exist or is this just an urban myth?
Others have suggested sources but repeated bleeding is pointing to a
system or design fault and covering that with an automatic radiator
bleed valve could lead to long term problems such as corrosion and
leaks.

Better to look at the root cause:
Unsealed system with a leak?
Sealed system with same being repeatedly topped up?
No inhibitor leading to corrosion and gas release?
 
A

Andrew Gabriel

As I have a radiator that constantly needs bleeding I was interested to here
someone tell me that you can get a self-bleeding valve that replaces the
existing bleed valve. I've had a quick look on the Screwfix site but can't
see anything obvious, do they exist or is this just an urban myth?
They do exist, but you should try to fix the problem which is allowing
air in or corrosion gasses to build up, as that is slowly wrecking all
your radiators (and possibly the boiler) from the inside. The need
repeatedly bleed radiators is a symptom of some other problem.
 
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R

Ron O'Brien

Andrew Gabriel said:
They do exist, but you should try to fix the problem which is allowing
air in or corrosion gasses to build up, as that is slowly wrecking all
your radiators (and possibly the boiler) from the inside. The need
repeatedly bleed radiators is a symptom of some other problem.
Yep, I know and had a previous thread in this newsgroup some months ago
asking about this. Since then I have had the floorboards up I've searched in
vain to find even the smallest leak. Had the system pressurised to see if
that would do anything - zilch! it was the second plumber (sorry....heating
engineer!) who told me about these valves

Ron
 

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