What does the knob on my radiator do?
Just like a thermostat can control central heating, there’s a numbered knob on the radiator that allows you to control the temperature. It’s usually found on the bottom or top left of the radiator.
Which knob turns on a radiator?
Operating a Radiator’s Controls. Turn the radiator dial counterclockwise to turn it on. The control valve is located near the bottom of most radiators. On a steam radiator, it is the valve on top of the pipe leading into the radiator.
What are the 2 knobs on a radiator?
Each radiator in your home needs a pair of radiator valves. One of the valves controls the amount of hot water entering the radiator and the other (known as the lockshield valve) balances the system by controlling how much heat the radiator emits.
Which way do you turn a radiator knob to turn it off?
Turn valves clockwise to turn your radiator off and anticlockwise to turn it back on. Turning your radiators off is easy.
Should radiator valves be fully open?
Begin by turning off your heating system and allowing it to cool completely. 2. Once the system has cooled, it is important to bleed the radiators in order to remove any trapped air which can result in uneven heat distribution in the radiator. You should also fully open the TRVs (thermostatic radiator valves).
How do you turn on a radiator with a broken knob?
You need to turn the knob to the right (clockwise) for either type of valve until it stops. When you have repaired your radiator’s broken, spinning knob, you will need to reopen the lockshield valve to allow the hot water from the boiler to enter the radiator.
What is the left valve on a radiator?
One valve accounts for the amount of hot water that enters the radiator. The other valve, referred to as the lockshield valve, balances the system by regulating how much heat the radiator gives off.
Does it matter which side of radiator flow and return?
Most modern thermostatic radiator valves are bi-directional – so can be fitted on either the flow or return pipe of your radiator. However, it’s always best practice to fit the TRV on the flow pipe that enters your radiator.
Should both radiator valves be open?
You should open both of the valves on all of your system’s radiator when you are starting the radiator balancing process. Once this is done your radiator system should be fully balanced and your radiators should heat up evenly and efficiently.
Should lockshield valve be fully open?
Most lockshield valves have a plastic or metal cover. You should remove these and open all of the lockshield valves completely. This requires that you turn them anticlockwise. You should also fully open the TRVs (thermostatic radiator valves).
Which way do radiator valves open?
anti-clockwise
Step 3 – Open All Your Radiator Valves Open up the valves on every radiator in the house by turning them anti-clockwise. Thermostatic valves or older wheel-head valves can be turned quite easily by hand but the lockshield valve will need a plastic adjuster or a spanner to open it.