Are all radiator bleed keys the same size?
Although most radiator bleed valves are similar, they’re not all identical, so radiator bleed key sizes and shapes do vary. Most hardware stores offer several types of radiator bleed keys so unless you have a very specialist model of radiator fitted, you should be able to find a compatible key fairly easily.
How do you bleed old radiators without a key?
For radiators with a slotted bleed screw, a simple screwdriver represents an ideal alternative to a bleed key. Just insert the screwdriver into the slot and turn it in a counter-clockwise direction to bleed the radiator.
How do I know what radiator key I need?
A clock key between size eight to 12 should work on your older radiator if you wish to bleed it. Many clock keys come with multiple sizes in one pack so you should be able to find one that’s the right size.
What size are old radiator keys?
These older radiators can still be bled by using imperial clock keys (keys traditionally associated with winding up clocks). A clock key size 12 (4.8mm) will likely be the right size for a very old radiator, though it’s worth getting keys in sizes 8 – 12 just to make sure you’ve got yourself covered.
How do you remove a kermi radiator cover?
Remove a side cover at a slight angle from the radiator (see figure) and remove it from its attachment hooks after lifting the top cover. Then separate the top cover by lifting it at one side and moving the second side cover.
What size is a standard radiator key?
Size: 0.35in/9mm. The inside diameter of radiator key is 5mm.
What can I use instead of radiator key?
flat head screwdriver
Alternative radiator bleeding methods The most popular alternative to a radiator key is by using a flat head screwdriver. Most modern radiators manufactured over the last 5 – 10 years will have a small indent allowing for a flat head screwdriver to be inserted into the bleed plug.
What makes a good radiator cover?
A radiator cover could actually even improve your heat efficiency if the cover includes a reflective foil backing, which we mentioned earlier. Some experts even say with the right type of airflow going from bottom to top, a radiator cover could boost natural convection and *add* a few degrees of heat efficiency.
How do you adjust a lockshield valve?
Flow valves or thermostatic valves (where fitted) are set to the fully open position and lockshield valves on all the radiators by turning them anti-clockwise. The plastic cap on the lockshield valve is removed and a small spanner or an adjustable spanner is used to adjust it.