keep getting air in most of the radiators some work some times others dont , the three double ones in front room dont work and have no air in them , its a combi maxi boiler pressure 1.5 bar
If you keep having to bleed them, it might be due to corrosion of the radiators which makes the water go a black soil colour and also produces hydrogen. if so the systems needs draining, or even flushing through to remove blockages then an inhibitor adding to prevent further corrosion.
If you need to find a tradesperson to get your job done, please try our local search below,
or if you are doing it yourself you can find suppliers local to you.
Select the supplier or trade you require, enter your location to begin your search.
Please select a service and enter a location to continue...
Are you a trade or supplier? You can create your listing free at DIYnot Local