This radiator bleed key fits most standard radiators and comes with a detailed guide on how to bleed the air from a radiator. This will make your house warmer and make your home heating system more efficient.
Air in a radiator can be identified by gurgling sounds when the heat has just been turned on/off. A rad. that only heats halfway is another symptom of a heating system that has air issues and needs venting.
Detailed instructions supplied with the radiator bleed key and also check out our video on how to bleed a radiator if you have any issues.