When installed by a Worcester Bosch Accredited Installer with a Greenstar System Filter. The Greenstar 1000 and Greenstar 2000 guarantee is available as standard to both Excelerate members and non-WAI's, when fitted with any brand of system filter. Terms and conditions apply. Locate and loosen your car's bleeder valve. Some cars have bleeder valves incorporated into the cooling system which function by releasing trapped air, just like the bleeder valves on a home radiator. Consult your owner's manual to find the precise location of this valve - usually it's located at your cooling system's highest point to most effectively release air, which naturally rises. [12] X Research source A radiator spanner can mean different things to different people. My radiator spanner keys Radiator Valve Tails A decent set of water pump pliers can be used as any other radiator key which I would highly recommend getting for your home.

Radiator Keys: The Best (and Worst) for Bleeding and Fixing Radiator Keys: The Best (and Worst) for Bleeding and Fixing

If you have a modern radiator then this should be simple but on old radiators, you might have to replace the radiator. The problem with this is different tail brands (although the same type of tails) have different sized nuts. So, you’ll need a 16mm, 17mm, and 18mm ratchet spanner to cover them all. This type of valve looks like a large nut with a screw in the centre. You can bleed the radiator by inserting a screwdriver into the slot and turning it to loosen it Key valve When you flush a system, you remove the water; when you bleed your radiators, all you do is let the air out. Knowing how to bleed a radiator can save you a few quid and from having to wait for a plumber to sort it. Bleeding a radiatorWhen all your radiators are entirely cold to the touch, you can get started on bleeding your radiators. Lay down towels to protect against water escaping When the bleed valve is sitting inside a large nut then this nut can be removed and replaced but if it’s just a screw on an old radiator bleed valve then if it’s broken or too worn you might not be able to replace it. Replacing a radiator bleed valve If there are more than two stories in your home, start by bleeding the downstairs radiators. Choose the radiator that is farthest from your boiler. How Much Time Should Be Spent Bleeding A Radiator?

Radiator-parts: Removing Bleed Screws Radiator-parts: Removing Bleed Screws

Securely attach both ends of the filling hose to your boiler valves (some boilers will just have one valve).Although using water pump pliers to open radiator drain valves is fine, the best radiator drain valve key for me is a small square headed ratchet. If you try and bleed a radiator that doesn’t have any trapped air to release, water will spill from it as soon as you open the bleed valve. This can rapidly lower your boiler’s water pressure, and your whole system could fail. Over time it is normal for air to build up in your radiators which can affect their efficiency. When air builds up it will mean some areas of radiator will be colder than others. You can normal tell if your radiators need bleeding as they will be colder at the top than at the bottom. If this is the other way round (cold at the bottom and hot at the top) this could mean that sludge has built up in your radiator and you might need your system cleaned. How to bleed a radiator Some modern radiators are equipped with valves that are designed to be turned with a simple flathead screwdriver. [4] X Research source If your radiator problem is accompanied by an accumulation of water beneath the radiator, your radiator has a leak. Try turning your heat off, then tightening the nut(s) on your radiator's inlet valve. If this doesn't fix the problem, the nut may be corroded - replace them or call a professional.