Bleeding rad every few days

Hi
Often the problem is corrosion, and gasses build up and percolate to the highest radiator.

Can be other reason, I.e. If open vent system, air being draw in.

If sealed, introduce some inhibitor to the system

Regards
Peter

 

Use something like Sentinel X100 inhibitor if sealed.

 

Hi Jay
If your new house is less than one year old, then get the builders back in, as you have a problem only months after the build, and it will only get worse, unless attended to.
What is the gas building up in the rad ? Which will help to identify the problem.
When next bleeding the rad place a lit match into the escaping gas.
If a lit jet flame occurs, then the escaping gas is hydrogen, which suggest the system is corroding, bad design or needs corrosion inhibitor to be added.
If the escaping air does not ignite, then the escaping gas is 'air', which suggests that air is being drawn into the system, perhaps a bad joint somewhere.

 

Usually hydrogen gas from the iron oxide,& corrision.

Needs a cleaner through system first, clear out any residues,etc from when system was first installed, then a good flushing, refill & a inhibitor.

 

Jay, is it a vented or sealed system - is there a pressure gauge on the boiler or elsewhere?

Either way, if you don't add inhibitor to be sure to be sure, you are a silly person.

 

Ahem - is there a pressure gauge on your boiler? Does you boiler heat your domestic hot water instantly and on demand (ie - a combi)?

Anyhoo - it doesn't matter - make sure you have inhibitor added.

(If you've been removing rads, then that's good news 'cos it gives a good reason for air being in your system, so good chance it ain't corrosion. But you still need inhib 'cos you've been adding lots of fresh water.)

 

Good advice DA